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h23a1-h22a swap no start

 
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Old 10-29-2011, 07:03 AM
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h23a1-h22a swap no start

Ok, I am new to forum and to hondas..a good friend had his h23a1 pulled and installed a h22a. the guy that did it cant get it to start.
What I do know is this..they swapped oil pump and put a new crank/tdc sensors in front of motor...they got spark, will start and run if spray in throttle body. noid lite test injectors very intermittent flashing. so it seems to me we got spark and timing is ok.. i am in process of removing a very poorly installed viper alarm(twisted wires and little bits of electrical tape) and getting the harness back to a more stock condition.
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Old 10-31-2011, 08:28 AM
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Re: h23a1-h22a swap no start

Sounds like your not getting fuel. Did you plug the injector resistor box connector in?

If you can hear the fuel pump priming when the key is turned to II, then I'd check for fuel at the rail. Undo the 17mm banjo bolt on top of the fuel rail, and see if you get fuel when you turn the key to II.
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Old 11-06-2011, 09:40 PM
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Re: h23a1-h22a swap no start

k will check Thanks
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Old 11-12-2011, 01:11 PM
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Re: h23a1-h22a swap no start

other thread http://www.preludezone.com/5th-gen-h...-no-start.html
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Old 11-12-2011, 07:02 PM
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Re: h23a1-h22a swap no start

What sensors does ecm need to see for injectors?? 2001 prelude.. very intermittent injector pulse when using a noid lite...original harness, distributor, external coil, oil pump & a new tdc sensor from advance auto...they used injectors and intake from new motor, and motor did not have a ecu with it, so original ecu as well..viper alarm removed, and added 2 additional grounds from battery to engine & 2 more from engine to body

also checked grounds at ecu, and grounded ecu itself as well.. injectors measured 11.2 ohms from what i have read is high impedance injectors which should be used on the original 01 lude??

the ecu for the car...he did not get an ecu with new motor

Last edited by powerfox66; 11-13-2011 at 05:10 PM.
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Old 11-17-2011, 08:57 PM
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Re: h23a1-h22a swap no start

Quote:
Originally Posted by powerfox66 View Post
What sensors does ecm need to see for injectors?? 2001 prelude.. very intermittent injector pulse when using a noid lite...original harness, distributor, external coil, oil pump & a new tdc sensor from advance auto...they used injectors and intake from new motor, and motor did not have a ecu with it, so original ecu as well..viper alarm removed, and added 2 additional grounds from battery to engine & 2 more from engine to body

also checked grounds at ecu, and grounded ecu itself as well.. injectors measured 11.2 ohms from what i have read is high impedance injectors which should be used on the original 01 lude??

the ecu for the car...he did not get an ecu with new motor
The ECU that came with the car is a p5p so if i understand correctly, that ecu should also work with new motor??
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Old 12-01-2011, 09:06 PM
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Re: h23a1-h22a swap no start

I think I have a bad crank/tdc sensor, I believe there should be some resistance measuring between both terminals thru the sensor(I am showing open on both),pin 1(green) to pin 2(red) for tdc & pin 3(blue) to pin 4(white) for crank. but due to my lack of experience with imports I am not sure. as stated above someone else put in a brand new(advance auto) ckp/tdc sensor
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