Tuesday, May 5, 2020

97 Pontiac Grand Prix Gtp Fuse Box

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super publicize car that I am ready to drive off a cliff. had a idle surge suffering that I researched online and did tests (per the manual) upon tps, iac and maf and cleaned the TB. After irritating 2-3 exchange used IAC s, I took it to the master tech at lexus. He said it was the IAC valve. He tried my used ones.. and finally a rebuilt one. still had issues. help to the dealer.. this get older he says, it needs a ECU. I did a lot of research on them, and found that its a common trouble considering this car.. bought a used one.. more trouble. had the indigenous one rebuilt by a specialist.. and that s where I am at now.. Put it in tonight and the car idles at 2k rpm. Does the TPS infatuation to be re-adjusted? The master tech did every sorts of diagnostics upon every united parts (tps, maf, iac). $100-200 all become old I endure it get the dealer for diagnostics.. on going problems are in point of fact tally up. I m hesitant to adjoin the tps if he had it dialed. Any insight? Thanks in advance. Jason


I did re-check them tho. The master tech did extensive tests upon the air flow meter and said it was good. later I unplug it and rule the motor, the car runs harsh and at 850ish. I can lonesome guess that my extra rebuilt ecu has an issue, or the tps needs to be re-adjusted, or somehow my maf has died in the midst of all this. I don't think the tps has that much control in the stand-in of rpm though? I think it forlorn adjusts it with reference to 1k..

This could be a large vacuum leak ,with the MAF combined it is solitary measuring the air that is getting later than the MAF, so if the intake manifold is sucking in ventilate the air to fuel ratio will be certainly out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. like carb cleaner spray spray in the place of the hissing in imitation of the engine paperwork and like you listen the engine stall or rev higher there is the leak ,could be a bad vacuum hose bad gasket on the manifold.

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