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The Gen II 3800 Engines have a HORRIBLE ISSUE with the INTAKE. They are made from Plastic and Warp. Waiting for the Engine to Get Hydro Locked (Coolant in the Cylinders)
If the light is on the engine computer will have a trouble code or codes, which may help you towards solving the problem. Have the computer scanned for the codes. Go from there. Good luck.
The code PO742 indicates the torque converter clutch is stuck on.
The torque converter is what connects the engine to the transmission.
It engages and disengages according to signals from the pcm, to aid in
smooth shifting. There are a couple of things you can try. make sure trans. fluid is full, if thats ok check the 20 pin connector, located on left
side of car on top of transmission bell housing. Make sure there's no
corrosion or bent pins. If this clears the code your all set, if not you may
want to ask your mechanic and see what he/she recomends.
Hope this helps.
Good luck
make sure there is gas in tank. turn ignition switch to the on position.listen for fuel pump.if yes check for spark at plugs.if no you dont hear fuel pump.check fuse and relay.if both dont work.scan it to check for faulty crankshaft sensor fuel pump and pcm.
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