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My Check Engine Light Only Comes On When I Floor The Gas

 
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Old 04-20-2010, 03:46 PM
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My Check Engine Light Only Comes On When I Floor The Gas

Has anyone had this problem happen to them? I can drive all day in lower RPMs and not have issue of the check engine light coming on until i floor the gas. Or if i just shift at higher RPMs the check engine lights comes on.
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Old 04-20-2010, 06:14 PM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

well, wtf is the CEL?
How To: Diagnosing Your Check Engine Light (OBD I)
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Old 04-20-2010, 06:35 PM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

mines too, idk y. wen i maintain like 55 or 60 for like 5 seconds, it comes on
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Old 04-20-2010, 06:51 PM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

U sure its not a shift light man?
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Old 04-20-2010, 06:53 PM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

does it go away after you shift? its a shift light i have it too
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Old 04-21-2010, 10:24 AM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

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mines too, idk y. wen i maintain like 55 or 60 for like 5 seconds, it comes on
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Old 04-21-2010, 10:39 AM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

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Originally Posted by JDMPrelude23 View Post
mines too, idk y. wen i maintain like 55 or 60 for like 5 seconds, it comes on
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Originally Posted by sb9 View Post


i'm puttin money on its your knock sensors. but we'll never know until you guys pull the CEL
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But you need that scoop on the hood. Is it true that they're big enough to fit your lunch box and all your camera gear in it?
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Old 04-21-2010, 11:20 AM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

I have the same problem, gonna have to pull the CEL I suppose...
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Old 04-21-2010, 02:21 PM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

Yaa, gonna do that soon to
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Old 04-21-2010, 06:00 PM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

I just did mine a few minutes ago and came up with...
1 - Heated Oxygen Sensor (Ho2s)
41 - Heated Oxygen Sensor (Ho2s) Heater
43 - Fuel Supply System

Where do I go from here? Seems like 1 and 41 are the same? And possibly need new fuel injectors?
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Old 04-21-2010, 06:13 PM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

^ sounds like your primary oxygen sensor is shot. Check the wiring near the sensor, if all looks fine you may want to get a new sensor.

Code 43 (Defective or malfunctioning fuel supply system) can be a number of things. I sometimes get it when I dont torque the fuel cap (3 clicks). Do you have any driving related issues or symptoms with regards to fuel, hesitation etc? This code can however be related to code 41 and 1 in that a malfunctioning oxygen sensor can trigger CEL43. SO I would bargon that a new oxygen sensor will fix all these codes.
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Old 04-21-2010, 06:18 PM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

I think that it might be hesitant compared to what it used to be but I am starting to go on to 220k miles lol. But If I drive the car for a while stop somewhere and try to start up 5 minutes later sometimes it takes a while to start almost floods itself out, that's why I was thinking injectors...
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Old 04-21-2010, 06:21 PM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

Word, ima do the CEL thing tomorrow morning, hope i do it right lol.... ill let ya know the results
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Old 04-21-2010, 10:45 PM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

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I think that it might be hesitant compared to what it used to be but I am starting to go on to 220k miles lol. But If I drive the car for a while stop somewhere and try to start up 5 minutes later sometimes it takes a while to start almost floods itself out, that's why I was thinking injectors...
With that number of km's anything is possible!lol. The injectors are probably just clogged and thus the spray pattern is off.
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Old 04-21-2010, 11:21 PM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

Ya that's what i'm thinking, not so sure about the other codes...But hell it gets me from point A to B still, it's a honda!
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Old 04-23-2010, 10:38 PM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

not trying to thread jack here but do 4th gens have a shift light if so what lights up and pretaining to 92lude run some injector cleaner through b4 u buy new dsm 440 injectors from a junk yard ;)
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Old 04-23-2010, 10:54 PM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

no, they dont have a shift light... howeaver if you get a chipped ECU, you can probubly get one. my check engine light lights up at i THINK 7200..im not at all entirely sure! i dont actually pay attention to it.. it might be higher..

but reguardless, no OEM shift light..
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Old 04-23-2010, 11:07 PM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

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Originally Posted by soonboostedlude View Post
not trying to thread jack here but do 4th gens have a shift light if so what lights up and pretaining to 92lude run some injector cleaner through b4 u buy new dsm 440 injectors from a junk yard ;)
Ya that wouldn't be too bad of an idea, thanks...
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Old 05-25-2010, 10:14 AM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

Mines also throwing out codes 1 and 43. But at idle it dies out and stutters during acceleration. But why would a bad 02 cause hesitation and what not? Lemme know what fix you guys come up with, thanks.
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Old 05-25-2010, 10:58 AM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

^^^ you'd be surprised at how much havoc a busted o2 sensor could cause.
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Old 05-26-2010, 09:57 AM
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Re: My Check Engine Light Only Comes On When I Floor The Gas

I got the code 43 (fuel supply system) too and o2 sensor... I changed my fuel pump and fuel filter and wenever i make turns wen the gas is on like 5 bars(4th gen digital) my car stops givin gas untill i finish the turn and the car is straight again... its madd weird, sumtimes it will turn off too.... Ima change my o2 sensor, see wat happens, if still, then my fuel pressure regular, fuel rail and i might jus change the injectors to be 100% on the safe side lol
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