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2005 PT Cruiser 2.4L Engine Dies with P0032 and P0038 Codes - No Restart Without Battery Disconnection

Model: 2005 PT Cruiser 2.4 Fault Code: P0032 Posted: 2014-07-02 20:49

My 2005 PT Cruiser (2.4L, non-turbo) has developed a serious issue: the check engine light activates, followed by the vehicle stalling completely and failing to restart unless I wait several hours or disconnect the battery. The fault codes detected are P0032 and P0038. I recently replaced the upstream O2 sensor with a Chrysler OEM part, but the problem persists. I do not have funds for unnecessary parts replacements. Given that the car runs fine under normal conditions but shuts off intermittently, I suspect an electrical or wiring issue—possibly related to the oxygen sensor circuit or powertrain control module (PCM). Any insights into potential causes or diagnostic steps would be greatly appreciated.

Related fault codes

P0032P0038

Comments (4)

Anonymous 2014-07-03 08:05

Do you have access to a OBD2 scanner that can display live data? Have you verified the wiring and connection of your upstream O2 sensor—was it an OEM part or a generic aftermarket replacement? Try unplugging the sensor temporarily; if the P0032 code clears, this points to a faulty sensor or wiring issue.

Anonymous 2016-01-28 07:45

I own a 2006 PT Cruiser base model and also encountered a persistent P0032 code after replacing the upstream O2 sensor with a Chrysler replacement part. This suggests it's not just a sensor failure—could be a wiring or grounding issue. Can anyone share official wiring diagrams, ohm resistance values, or troubleshooting guides for this specific setup?

Anonymous 2016-03-19 18:55

I have the same symptoms in my 2005 PT Cruiser: check engine light comes on, car stalls, and won't restart without a long wait. I replaced the engine control module (PCM) at a Chrysler dealership, and after that, the vehicle ran normally. The issue wasn’t a full failure—it was more of a flag code triggered when electrical components were installed without reprogramming the PCM. Dealerships often fail to update the PCM during part replacements, leading to persistent codes and intermittent stalling.

Anonymous 2016-10-25 13:48

Same issue here—2006 PT Cruiser (non-turbo). The car would run fine until it suddenly stalled. I replaced both O2 sensors with no improvement. After replacing the PCM, the stalling stopped and the codes cleared. The new PCM was pre-programmed. I ordered it from AllComputerResources.com for $199—much cheaper than the dealer’s $700 quote. This suggests that a faulty or unprogrammed PCM may be the root cause in some cases.