Back fire sintoms stop runnining afer fwe minutes of staring?
Hello
The
Engine and Automatic Transmission (not applicable to manual
transmissions) in this vehicles drive train are fully electronically
controlled by a computer called the PCM and TCM (Power Train Control
Module, Transmission Control Module). When a problem like this or
other drive-ability related problems occurs the computer stores a
record of the problem (there are of course some exceptions to this,
like the fuel pump, engine coolant temperature sensor and MAF sensor
for instance) in the form of a fault code in its memory, to read
these fault codes you must have the systems memory scanned with a
special tool. Once the fault code(s) are read you then must perform
the appropriate diagnostic testing to find and resolve the problem(s)
DO NOT REPLACE ANY PARTS UNTIL A TRAINED TECHNICAIN HAS DIAGNOSED
THE PROBLEM TO AVOID SPENDING YOUR HARD EARNED MONEY ON PARTS THAT
MAY NOT CORRECT THE PROBLEM. Also always check fuel pressure for
correct spec for your make and engine type.
SOURCE: car stops running after 15 minutes
P1446 reads, manufacturer control auxiliary emission controls. Not positive but a look at the fuel cap( see if it is twisting and securing correctly), check the vacuum lines in the engine compartment (for damage), could be related to the evap. system.
SOURCE: overheating when i stop up 30 minutes and it's back to normal when push the accelerator
this sound like either the fans or fan is not coming on or not performing like it should, or coolant system is clogged or low on coolant. if you have electric fans turn the a/c on are they both on ? if you have a clutch fan attached to the motor when the a/c on and engine at operating temp put your hand over engine is the fan realy pushing air out? if not its bad . you can check the temp of each side of the radiator to see if the is a difference this will tell you if their is a clogg. so check fans and check coolant system for a leak , for proper circulation , when was the last time you had the coolant system flushed ? and gm uses a different coolant then other makes if someone put regular green in with the dexcool it will become corrosive and can eat blades on water pump not allowing it to function like it should pumping coolant andit will clogg the system.
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