Honda Prelude Forum
 
Go Back   Honda Prelude Forum > Tech-Talk > 3rd Gen Honda Prelude

Thread Title
do me a favor Please.

 
Reply
 
LinkBack Thread Tools Display Modes
  #1 (permalink)  
Old 10-31-2011, 01:46 AM
Platinum Member
 
Join Date: Feb 2010
Location: Fayetteville, Ga.
Posts: 1,278
iTrader: (0)
Lespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond repute
do me a favor Please.

Can someone please check the ohms on the wire on the egr solenoid. Getting voltage on one side but it's not closing unless you ground it directly to a ground. Then it opens all the way which is too much for the engine to idle.Even borrowed a good solenoid but won't work on my 91 lude. Went through three ecm's with the same problem. I just need to know how many ohms you guys have cause I think mine was 6 ohms or something like that.
Reply With Quote
  #2 (permalink)  
Old 10-31-2011, 10:40 PM
Sideswipe SI's Avatar
Grand Member
 
Join Date: Oct 2007
Location: Googlemap says I'm here... Dafuq?
Posts: 4,230
iTrader: (3)
Sideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond repute
Re: do me a favor Please.

What the hells been happening to your prelude lately? You sure your main relay is good? 3 ecu's is hard to ignore as being the problem. Definitely sounds as though you've gained resistance to your solenoid. I know you check wires, so the obvious is out. Pins touching, good seating? What else have you done?
__________________
Quote:
SURGEON GENERAL WARNING:
THE IMITATION OF ANY OR ALL MANEUVERS EXECUTED BY A BA B20A 4WS PRELUDE IS HAZARDOUS TO YOUR CAR'S HEALTH. DRIVING A PRELUDE MAY CAUSE LOSS OF INTEREST IN OTHER CARS, WOMEN AND SPEED LIMITS. OTHER SYMPTOMS INCLUDE SLEEPLESS NIGHTS, COLD SWEATS AND OTHER SYMPTOMS RELATED TO ADDICTION. IF THE SYMPTOMS PERSIST,DRIVE!
Prelude: Because all great stories have one. Just like Honda.
Reply With Quote
  #3 (permalink)  
Old 11-01-2011, 01:44 AM
Platinum Member
 
Join Date: Feb 2010
Location: Fayetteville, Ga.
Posts: 1,278
iTrader: (0)
Lespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond repute
Re: do me a favor Please.

One guy told me that if the O2 sensors are going bad that it could cause a closed loop in the ecm. That's one scenario. Also that if they're going bad the egr sends a signal to the ecm to keep the egr closed and that will keep it running hot. Didn't think the main relay had anything to do with the computer functioning. Always thought it allowed power to the computer and the fuel punp. Car still runs perfect and passes all emissions tests except for the NOx being too high.
Reply With Quote
  #4 (permalink)  
Old 11-01-2011, 07:52 AM
Sideswipe SI's Avatar
Grand Member
 
Join Date: Oct 2007
Location: Googlemap says I'm here... Dafuq?
Posts: 4,230
iTrader: (3)
Sideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond repute
Re: do me a favor Please.

I need to warm up my prelude know how. I've been screwing around with GM engine bays for a minute. I also figured you just swapped both sensors and had the same outcome. I only said relay because you said three ecu's. They're attached. 2 denso sensors will probably fix that. Seafoam the sensors are a bandaid fix. If you get the same numbers, let us know.
__________________
Quote:
SURGEON GENERAL WARNING:
THE IMITATION OF ANY OR ALL MANEUVERS EXECUTED BY A BA B20A 4WS PRELUDE IS HAZARDOUS TO YOUR CAR'S HEALTH. DRIVING A PRELUDE MAY CAUSE LOSS OF INTEREST IN OTHER CARS, WOMEN AND SPEED LIMITS. OTHER SYMPTOMS INCLUDE SLEEPLESS NIGHTS, COLD SWEATS AND OTHER SYMPTOMS RELATED TO ADDICTION. IF THE SYMPTOMS PERSIST,DRIVE!
Prelude: Because all great stories have one. Just like Honda.
Reply With Quote
  #5 (permalink)  
Old 11-01-2011, 08:45 AM
Platinum Member
 
Join Date: Feb 2010
Location: Fayetteville, Ga.
Posts: 1,278
iTrader: (0)
Lespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond repute
Re: do me a favor Please.

Just put in two new sensors.Wish me luck. If the egr solenoid still isn't opening then I'll change the main relay.
Reply With Quote
  #6 (permalink)  
Old 11-01-2011, 09:41 AM
Platinum Member
 
Join Date: Feb 2010
Location: Fayetteville, Ga.
Posts: 1,278
iTrader: (0)
Lespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond repute
Re: do me a favor Please.

Well just put the new 02 sensors in and the egr solenoid still doesn't work. Now is that the main relay or the pgmi relay. Is there any difference? Alldata shows a bunch of relays around the fusebox under the dashboard.
Reply With Quote
  #7 (permalink)  
Old 11-03-2011, 09:09 PM
Not So New
 
Join Date: Jan 2011
Posts: 44
iTrader: (0)
IKuenzi91Si is on a distinguished road
Re: do me a favor Please.

Go to the resource thread and get the Honda service manual.. It sure helps to know what your looking at if your dealing with relays. My experience with all data hasn't been spectacular...
Reply With Quote
  #8 (permalink)  
Old 11-04-2011, 08:24 PM
Platinum Member
 
Join Date: Feb 2010
Location: Fayetteville, Ga.
Posts: 1,278
iTrader: (0)
Lespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond repute
Re: do me a favor Please.

Put the new main relay in and the egr solenoid still isn't opening. 3 ecm's, 3 egr solenoids ,2 EGR'S,and two sets of O2 sensors. Anybody smarter than me out there?
Reply With Quote
  #9 (permalink)  
Old 11-05-2011, 12:35 AM
Sideswipe SI's Avatar
Grand Member
 
Join Date: Oct 2007
Location: Googlemap says I'm here... Dafuq?
Posts: 4,230
iTrader: (3)
Sideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond repute
Re: do me a favor Please.

I'm out, B20A5=OBD0 You can PM Prelude13 to see if he still has my chilton's shop book on 3rd gens. they catch things like that. Or completely strike out.
__________________
Quote:
SURGEON GENERAL WARNING:
THE IMITATION OF ANY OR ALL MANEUVERS EXECUTED BY A BA B20A 4WS PRELUDE IS HAZARDOUS TO YOUR CAR'S HEALTH. DRIVING A PRELUDE MAY CAUSE LOSS OF INTEREST IN OTHER CARS, WOMEN AND SPEED LIMITS. OTHER SYMPTOMS INCLUDE SLEEPLESS NIGHTS, COLD SWEATS AND OTHER SYMPTOMS RELATED TO ADDICTION. IF THE SYMPTOMS PERSIST,DRIVE!
Prelude: Because all great stories have one. Just like Honda.
Reply With Quote
  #10 (permalink)  
Old 11-05-2011, 07:15 PM
Platinum Member
 
Join Date: Feb 2010
Location: Fayetteville, Ga.
Posts: 1,278
iTrader: (0)
Lespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond repute
Re: do me a favor Please.

I got the book with the yellow lude on the front. Still need some real help.
Reply With Quote
  #11 (permalink)  
Old 11-05-2011, 09:02 PM
Sideswipe SI's Avatar
Grand Member
 
Join Date: Oct 2007
Location: Googlemap says I'm here... Dafuq?
Posts: 4,230
iTrader: (3)
Sideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond repute
Re: do me a favor Please.

Exhaust Gas Recirculation (EGR)

I hope this helps man, I know it's not prelude, but a proper trouble shooting guide. Also you might have to look into your vacuum system and checks for leaks, blockage, or the temp sensor is bad, because your engine needs to reach a certain temp level before the ecu begins telling the EGR to start opening. Personally, run a light switch dimmer to the EGR and at 500rpm, then with a multimeter see how high the resistance is needed before the car cuts off. (turn the knob). basically fool the EGR into opening to pass emissions. Get a resistor relay w/turn knob. After this,

Also I found this:

The Exhaust Gas Re circulation (EGR) system is designed to reintroduce exhaust gas into the combustion chambers, thereby lowering combustion temperatures and reducing the formation of Oxides of Nitrogen (NOx).

The amount of exhaust gas that is reintroduced into the combustion cycle is determined by several factors, such as: engine speed, engine vacuum, exhaust system back pressure, coolant temperature, throttle position. All EGR valves are vacuum operated. The EGR vacuum diagram for your particular vehicle is displayed on the Vehicle Emission Control Information (VECI) label.

The EGR system is Differential Pressure Feedback EGR (DPFE) system, controlled by the Powertrain Control Module (PCM) and composed of the following components: DPFE sensor (also referred to as the back pressure transducer), EGR Vacuum Regulator (EVR) solenoid, EGR valve, and assorted hoses. The P0401 code means that OBD detected an insufficient amount of EGR.
Symptoms

There may be drive-ability issues such as pinging ( pre-ignition knock , similar to cheap gas) when the vehicles engine is under heavy load or the vehicle is climbing a steep grade. There may also be other symptoms.
Causes

A code P0401 most likely means one or more of the following has happened:
The DPF (differential pressure) sensor is faulty and needs to be replaced
There is a blockage in the EGR (most likely carbon buildup)
The EGR valve is faulty
The EGR valve may not be opening due to a lack of vacuum
Possible Solutions

In fixing this code, it is quite common for people to just replace the EGR valve only to have the OBD code return. The EGR valve is not always the cause. If you replace all 3 components the like is all but guaranteed to go away . Or you can test each component .
Use a vacuum pump and pull the EGR valve open while monitoring engine RPM's. There should be a noticeable difference in RPM's with the EGR open
Clean out the EGR valve to remove deposits
Replace the DPF sensor
Replace the EGR valve


COMPONENT TESTING
DPFE Sensor
Disconnect the pressure hoses at the DPFE sensor.
Connect a hand vacuum pump to the downstream pickup marked REF on the sensor.
Using a multi meter, back probe the SIG RTN circuit at the DPFE connector.
With the ignition ON, signal voltage should be 0.200.70 volts.
Apply 89 in. Hg of vacuum to the sensor. Voltage should be greater than 4 volts.
Quickly release the vacuum from the sensor. Voltage should drop to less than 1 volt in 3 seconds.
If the sensor does not respond as specified, check the power and ground circuits.
If power and ground circuits are functional, the sensor is faulty.
EGR Valve Control Solenoid
Remove the EVR solenoid.
Attempt to lightly blow air into the EVR solenoid.
If air blows through the solenoid, replace the solenoid with a new one.
If air does not pass freely through the solenoid, continue with the test.
Apply battery voltage (approximately 12 volts) and a ground to the EVR solenoid electrical terminals. Attempt to lightly blow air, once again, through the solenoid.
If air does not pass through the solenoid, replace the solenoid with a new one.
If air does not flow through the solenoid, the solenoid is OK.
If the solenoid is functional but the problem still exists, check the power and ground circuits.
EGR Valve
Install a tachometer on the engine, following the manufacturer's instructions.
Detach the engine wiring harness connector from the Idle Air Control (IAC) solenoid.
Disconnect and plug the vacuum supply hose from the EGR valve.
Start the engine, then apply the parking brake, block the rear wheels and position the transmission in Neutral.
Observe and note the idle speed.

NOTE: If the engine will not idle with the IAC solenoid disconnected, provide an air bypass to the engine by slightly opening the throttle plate or by creating an intake vacuum leak. Do not allow the idle speed to exceed typical idle rpm.
Using a hand-held vacuum pump, slowly apply 510 in. Hg (1734 kPa) of vacuum to the EGR valve nipple.
If the idle speed drops more than 100 rpm with the vacuum applied and returns to normal after the vacuum is removed, the EGR valve is OK.
If the idle speed does not drop more than 100 rpm with the vacuum applied and return to normal after the vacuum is removed, inspect the EGR valve for a blockage; clean it if a blockage is found. Replace the EGR valve if no blockage is found, or if cleaning the valve does not remedy the malfunction.
__________________
Quote:
SURGEON GENERAL WARNING:
THE IMITATION OF ANY OR ALL MANEUVERS EXECUTED BY A BA B20A 4WS PRELUDE IS HAZARDOUS TO YOUR CAR'S HEALTH. DRIVING A PRELUDE MAY CAUSE LOSS OF INTEREST IN OTHER CARS, WOMEN AND SPEED LIMITS. OTHER SYMPTOMS INCLUDE SLEEPLESS NIGHTS, COLD SWEATS AND OTHER SYMPTOMS RELATED TO ADDICTION. IF THE SYMPTOMS PERSIST,DRIVE!
Prelude: Because all great stories have one. Just like Honda.

Last edited by Sideswipe SI; 11-05-2011 at 09:18 PM.
Reply With Quote
  #12 (permalink)  
Old 11-07-2011, 01:20 AM
Platinum Member
 
Join Date: Feb 2010
Location: Fayetteville, Ga.
Posts: 1,278
iTrader: (0)
Lespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond repute
Re: do me a favor Please.

I replaced the temp sensor too. Might have to retard the timing so it'll run cooler to pass emissions. It worked on my 85 Stanza. Wish me luck.
Reply With Quote
  #13 (permalink)  
Old 11-07-2011, 11:07 AM
Platinum Member
 
Join Date: Feb 2010
Location: Fayetteville, Ga.
Posts: 1,278
iTrader: (0)
Lespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond repute
Re: do me a favor Please.

Retarded the timing all the way and it passed by 2 one thousands. Allowable NOx was 1026 and I had 1024. Whew! I'm guessing it was about 5-8 degrees before top center.
Reply With Quote
  #14 (permalink)  
Old 11-08-2011, 04:53 AM
Sideswipe SI's Avatar
Grand Member
 
Join Date: Oct 2007
Location: Googlemap says I'm here... Dafuq?
Posts: 4,230
iTrader: (3)
Sideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond reputeSideswipe SI has a reputation beyond repute
Re: do me a favor Please.

Well now you can further investigate the nox now. Maybe a write up for sticky? Maybe egr delete altogether? You have choices now. I'm thinking adjustable cams gear to fine tune the exhaust cam. Aem come in pairs, pretty solid. Glad your back on the road!
__________________
Quote:
SURGEON GENERAL WARNING:
THE IMITATION OF ANY OR ALL MANEUVERS EXECUTED BY A BA B20A 4WS PRELUDE IS HAZARDOUS TO YOUR CAR'S HEALTH. DRIVING A PRELUDE MAY CAUSE LOSS OF INTEREST IN OTHER CARS, WOMEN AND SPEED LIMITS. OTHER SYMPTOMS INCLUDE SLEEPLESS NIGHTS, COLD SWEATS AND OTHER SYMPTOMS RELATED TO ADDICTION. IF THE SYMPTOMS PERSIST,DRIVE!
Prelude: Because all great stories have one. Just like Honda.
Reply With Quote
  #15 (permalink)  
Old 11-08-2011, 08:38 AM
Platinum Member
 
Join Date: Feb 2010
Location: Fayetteville, Ga.
Posts: 1,278
iTrader: (0)
Lespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond repute
Re: do me a favor Please.

I still have my JDM B20A intake in the garage. No EGR port on that thing but have to worry about the exhaust manifold cause I threw that out. Who knows. The only thing I didn't change was the absolute pressure sensor above the ecm box. That's something I'll look into.
Reply With Quote
  #16 (permalink)  
Old 11-17-2011, 02:26 AM
Platinum Member
 
Join Date: Feb 2010
Location: Fayetteville, Ga.
Posts: 1,278
iTrader: (0)
Lespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond repute
Re: do me a favor Please.

Got a MAP sensor. Don't know if it's the same as an Absolute sensor. Will hook it up in the morning and check.
Reply With Quote
  #17 (permalink)  
Old 11-17-2011, 01:00 PM
itsdatoneguy's Avatar
Platinum Member
 
Join Date: Jan 2011
Posts: 1,377
iTrader: (0)
itsdatoneguy itsdatoneguy itsdatoneguy itsdatoneguy itsdatoneguy itsdatoneguy itsdatoneguy itsdatoneguy itsdatoneguy itsdatoneguy itsdatoneguy
Re: do me a favor Please.

can some one teach me how to use a multimeter... got one fo free a couple days ago outta a playboy magazine
Reply With Quote
  #18 (permalink)  
Old 11-17-2011, 01:06 PM
Platinum Member
 
Join Date: Feb 2010
Location: Fayetteville, Ga.
Posts: 1,278
iTrader: (0)
Lespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond reputeLespaul59 has a reputation beyond repute
Re: do me a favor Please.

MAP sensor didn't do any good at all.Wish they had OBD2 from the very beginning.
Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
91 Power lock conversion Question/favor rc114 3rd Gen Honda Prelude 0 03-30-2011 01:22 PM
i need a favor (photoshop or pic) manginoslude93 4th Gen Honda Prelude 0 10-18-2010 10:59 PM
Wiring Help?? Pronto por favor RandallSharp 4th Gen Honda Prelude 21 04-26-2010 07:43 PM
Can someone do me a real easy favor? slave cylinder related twokexlv6coupe General Tech Talk 8 06-15-2009 04:03 PM


All times are GMT -4. The time now is 02:27 PM.



Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
LinkBacks Enabled by vBSEO 3.6.0 PL2 © 2011, Crawlability, Inc.
vB.Sponsors


Copyright © 2006-2009 PreludeZone.com All Rights Reserved.