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h22 throttle problems! help!

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Old 09-20-2013, 08:19 PM
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h22 throttle problems! help!

ok ive been working on this project for over a year in my off time. its a 97 honda prelude i took down to bare metal. it was originally auto i converted it to manual with a wrote off donor car. the motor is a h22a1 which had a crank position sensor so it must have been obd2. the motor was running in my 92 prelude prior to this swap. everything went well or atleast i thought. so ill sum up my parts.

97 base chassy convered to manual
h22a1 block
f22a1 tranny manual
aem fuel rail
full aftermarket exhaust and maniflow cat
p5 obd2 ecu auto (soldered the resistor to convert to manual)
auto obd2 engine harness, it hooks up just fine just a few unued leads.

ive read through the guides, did all the work took my time. the engine fires up just fine. but the idle fluxuates between 2-1.5k ive seen this before on air locks in the rad etc. i havent run the motor long enough to try and fix that issue. but the real problem is when i use the throttle... if i rev it to 3k... it just slowly dies and almost stalls unless i let off the gas and then it kicks back in... might sputter a bit tho. i can give it quick throttle shots and it revs up without stalling... but if i hold constant throttle it boooogggsss down and nearly stalls, some times it does.

i thought maybe a vacume leak... sprayed for that and i dident find anything, i even took off the intake manifold and put a new gasket.... i cheaked tdc and my dizzy seems to be on par... changed fuel filter... im simply at a loss... and im not throwing any codes... just for my rear o2 sensor which is not connected due to my aftermarket exhaust....

does anyone have some ideas? be specific on how to trouble shoot this issue...
any info would be helpfull...
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Old 09-21-2013, 12:17 PM
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Re: h22 throttle problems! help!

I cant get speficic but hopefully this helps.
the FINAL idle problem thread!!!!!
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