Question about 2001 Oldsmobile Alero
Idle Air Control Valve Pintle may be bad
If you disconnect the IAC and the problem ceases it can point to this being the problem.:
Removal & Installation
NOTE: The Mass Air Flow (MAF) sensor inlet and the outlet of the air cleaner assembly must line up when installed. Misalignment may cause MIL illumination or driveability concerns.
Posted on Oct 07, 2010
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Posted on Jan 02, 2017
Inadequate fuel pressure, change the fuel filter first, make sure the car sits for at least two hours before replacing the fuel filter because these fuel lines are under high pressure during the time of operation. The pressure usually decreases over time in the lines but wear safety glasses just the same, I would recomend depressurizing the fuel system first, buy a Haynes repair manual for detailed procedure to be safe. If problem persists go to Auto Zone and ask them to check for trouble codes these codes if present may instuct you in detail to replace the MAF sensor or give you a code that must be looked up to find the problem.
Posted on Jul 22, 2009
Crank sensor or engine speed sensor is faulty.
Irregular power loss on accelerating
The speed of the engine is limited till 2500rpm
Frequent loss of crankshaft position sensor signal
It is caused due to leaking from thermostat housing into crankshaft position sensor harness multi-plug
Check and clean the crankshaft position sensor harness multi-plug contacts. Rectify the engine coolant leak from the thermostat housing if found. Take a note of the engine coolant level and monitor it for changes, showing a leak is indeed occurring.
Posted on Oct 24, 2009
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