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Vehicle make/model 1996 pontiac grand am
Mileage = 125025
Engine size = L4, 2.4L; DOHC 16V
dash lights = cooliant level
codes = P0108-P0300-P0335
work done prior = TIMMING BELT REPLACED AND WATER PUMP AND SPARK
PLUGS
tech = KK
question = 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 COOLIANT LEVEL LITE IS
ON BUT COOLIANT IS FINE. OH AND WHEN IT IDLES THE ENGINE HAS A SMALL
JERK EVERY NOW AND THEN.WHAT CAN I DO TO FIX IT?
KK:
p0108 is a MAP sensor circuit problem.
p0335 is a crankshaft position sensor circuit problem.
p0300 is missfires.
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 botom of the coolant surge tank.
Mileage = 125025
Engine size = L4, 2.4L; DOHC 16V
dash lights = cooliant level
codes = P0108-P0300-P0335
work done prior = TIMMING BELT REPLACED AND WATER PUMP AND SPARK
PLUGS
tech = KK
question = 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 COOLIANT LEVEL LITE IS
ON BUT COOLIANT IS FINE. OH AND WHEN IT IDLES THE ENGINE HAS A SMALL
JERK EVERY NOW AND THEN.WHAT CAN I DO TO FIX IT?
KK:
p0108 is a MAP sensor circuit problem.
p0335 is a crankshaft position sensor circuit problem.
p0300 is missfires.
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 botom of the coolant surge tank.
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