Question about Pontiac Sunfire
Way too much fuel. The fuel delivery system has problems. It may just be one injector that has no control, or other issues.
Get the ECU codes read by your favorite auto parts store. That is the best place to start.
Posted on Apr 04, 2015
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Posted on Jan 02, 2017
SOURCE: coolant leak/head gasket
If you have a head gasket leaking, and your engine is blowing a white smoke from the exhaust pipe, then you're taking coolant/water into your piston/s.
After a heavy acceleration your pressure is forcing more coolant/water into your cylinders..but don't be fooled..water/coolant is also getting into your cylinder/s when you're driving slow too.
You should get the head gasket repaired as soon as you can, or the head gasket may very well let loose and then you get to deal with having the heads shaved if they warp from the heat.
Either way..you really should get the gasket replaced soon.
Posted on Dec 31, 2008
SOURCE: Fault Code : P1664
P1664 FIP (Fuel Injection Pump) malfunction (possible air ingress in low pressure fuel side)
Most likey the Diesel fuel injection pump needs to be replaced or overhauled.
Posted on Apr 28, 2009
Your engine is running "too rich" meaning more gas is going into the chamber than is supposed to. If it is a late model, to need to see your mechanic. FYI , blue smoke is oil, black too much gas, white, antifreeze, (really bad).
Posted on Oct 10, 2009
At the time you made all the above repairs, did you replace the "throw away" turbo charger? The turbo charger commonly sucks oil, and it is not repairable.
Run it without the inner & outer air cleaner. If it isn't the turbo, run the injector cut out test. If the injectors are ok, then you need to replace the injection system hydraulic pump, which is also unrepairable.
Posted on Apr 23, 2010
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