Crankshaft Position Sensor, Ignition/Powertrain Control Module May Fail on Chevrolet Monte Carlo

The crankshaft position sensor, ignition module, and/or powertrain control module (PCM) may fail resulting in illumination of the Check Engine Light with ignition system related fault codes stored in the PCM. Patience is necessary when dealing with this specific situation as normal diagnostic procedures are not effective. In many cases, the best option is to replace parts, one at a time until the fault is corrected.

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Average mileage: 71,333 (11,000–105,000)
Exhaust & Emissions affected: 3.8L V6
7 model years affected: 1998, 1999, 2000, 2001, more2002, 2003, 2004
10 people reported this problem
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Viewing 1 - 2 of 2 problem details
2004 Chevrolet Monte Carlo 98,000 mi,
no warning, 2004 monte carlo just started to stall out. mass flow sensor. then 3 months later just quit on me . very dangerous.. crank shaft position sensor. new transmission in at 66,000 this car was always well taken care of. this is not from neglect. 12 yrs old and only has 99,480 miles on it.
2000 Chevrolet Monte Carlo 11,000 mi,
Have fun. Replacing. Each sensor. The car looks good. But. I have. To always put more money