Question about Infiniti Cars & Trucks
Replaced timing belt car run fine but had a noise tore it back down replaced timing belt tension er started it up had a hesitation and I cleaned throttle body now car won't start no spark at plugs how do I check codes for this problem and where is ECU located
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Posted on Jan 02, 2017
Please go to the crossfire injection forum to get some straight answers to the 82 corvette CFI system and how to troubleshoot it properly. There's a lot of misinformation given here, so much so, I don't know where to begin.
One thing is, the 82 corvette CFI does NOT have a MassAir Flow sensor system, it uses MAP and O2 mostly. The CTS sends a signal to the ECM telling it what the temp of the motor is and in turn the ECM controls the amount of fuel being dumped. On the older (orignal) CTS sensors, they have one wire and takes its ground from the threads. If any coorosion takes place, usually the CTS will report a cold engine and request lots of fuel.
To repair this issue, install one of the newer style CTS sensors that have two wires, one for signal and the other is ground.
Fuel pressure and vacuum leaks on any CFI motor play key roles. Set the FP to 14-15psi measured inbetween the TBs. The regulator is located on the rear TB and must be slightly moded to make it adjustable and can be done in a few minutes.
Posted on Mar 07, 2009
it sounds like the injectors are not opening up man.. replace the injectores and this should fix your problem..good luck keith....
Posted on Mar 21, 2009
I had the same problem I think I have fixed it it seemed to be the air filter as you go down the road you are is restricted and when you come to stop the motor dies from to much gas give it a try only an $12.00 fix
Posted on Jun 15, 2009
the computer may need to be reflashed. if it is running then it is not a bad sensor. either of those being bad would cause it not to run.
Posted on Aug 08, 2009
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