1996 Pontiac Grand Am low coolant level light codes... P0108, P0300, P0335. I Replaced TIMING BELT REPLACED AND WATER PUMP AND SPARK PLUGS.
MY CAR STARTS RIGHT UP BUT WHEN I STEP ON THE GAS IT ALMOST DIES UNTIL I TAKE MY FOOT OFF. IT IDLES FINE THE COOLANT LEVEL LITE IS ON BUT COOLANT IS FINE. OH AND WHEN IT IDLES THE ENGINE HAS A SMALL JERK EVERY NOW AND THEN. WHAT CAN I DO TO FIX IT?
Answer: P0108 is a MAP sensor circuit problem. P0335 is a crankshaft position sensor circuit problem. P0300 is misfires.
If all these codes came up after the timing chain was replaced, i would have to say that the timing is off a tooth or two. That would explain the MAP sensor code because the valve timing is off, thus affecting engine vacuum. The crank position sensor would also be affected, as well as causing misfires.
The low coolant light is just a stuck sensor in the bottom of the coolant surge tank.
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