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    91CRX SI/B20b MAP Cel Code Help

    closed to WOT, .5v to 5v. Boofoo I have done this but cant remember the exact values. I will check it out after work and post the results.


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    91CRX SI/B20b MAP Cel Code Help

    Volt meter. and no other cel codes besides MAP sensor code 3
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    91CRX SI/B20b MAP Cel Code Help

    Car is CRX SI I swapped it with a B20B and car runs great until I go to full throttle I get a Code 3 MAP sensor code and then the car runs like crap. I have to turn the car off and restart it so it will run good again. The engine runs strong as long as I do not go to full throttle. Only upgrades...
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    CRX B20b Needs Help

    Yellow wire 5 volts green wire good ground white wire reference voltage all good at the sensor and at the ECU
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    CRX B20b Needs Help

    I have good continuity from the sensor to the ECU. I get the 5 volts and I get a good reference voltage back to the ECU
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    CRX B20b Needs Help

    Update I checked timing and it is dead on. I installed a new MAP sensor again and now the car runs great no cel codes. When driving down the road no issues but if I hit full throttle Cel comes on with code 3 and the car dies when I let of the gas.
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    CRX B20b Needs Help

    Engine was at operating temp and service connector jumped. The mark is the single mark not the 3 marks
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    CRX B20b Needs Help

    Yes the distributor is aftermarket and I have tried and tried to make it fit after spinning the rotor 180 and won't fit. After testing the timing with the timing light at 0 degrees and the distributor all the way forward (away from the firewall, because it runs best this way) the timing mark...
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    CRX B20b Needs Help

    As I mentioned earlier I am using a known good OBD1 LS ECU, Also I got the engine from a shop that sells imported engines. Plugs and Injectors are connected in the correct order. The distributor will only fit one way cant be off 180 degrees. I switched the ground wire and power wire on the TPS...


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    CRX B20b Needs Help

    Thank you for the reply and I am not replacing parts at random I am trying parts that appear to be involved with my issue and its all parts that I have spares of. New swap and I have also tried a known working OBD1 LS ECU and the car behaves the same with no change no codes. I still feel like...
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    CRX B20b Needs Help

    Ok 1990 CRX SI swapped a b20b using a p28 chipped, using stock CRX fuel rail and injectors car starts with no problem but then dies a few moments later. No Cel codes. I've tried swapping TPS, smoked the intake manifold for leaks, new grounds, 3 map sensors when i start the car it idles at...
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    97 Civic Sputters (video)

    No cat on the car, never ran out of gas or leaned out. Ill try disconnecting the ECT
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    97 Civic Sputters (video)

    Car 1997 Civic with a B18B with a P75 OBD2 ECU. engine is stock but I cant get it to run right. Please see the video I posted onto youtube. Also the sputtering also happens when going down the road and trying to cruse at a steady speed. at high RPMs (5000+) it does cut out and revs normal and it...
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