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Dan, Technician
Category: Pontiac
Satisfied Customers: 23789
Experience:  Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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02 Grand Prix GTP coding p1361 and p1362. Had issues last

Customer Question

02 Grand Prix GTP coding p1361 and p1362. Had issues last year and replaced crankshaft posistion sensor along with plug wires icm and coils. ran fine all summer. Cold now and it misses occasionally, but runs. Also ABS and trac light are on.
Submitted: 1 year ago.
Category: Pontiac
Customer: replied 1 year ago.
replaced the coolant elbows a couple of years ago. Is that the ground wire above them? Was it possibly damaged at the time?
Expert:  Dan replied 1 year ago.

Hello, my name is***** usually means crankshaft position sensor, crankshaft position sensor connector/wiring, or ignition module. I'd double check wiring at crank sensor, verify ignition module has good power/ground, and if good replace the ignition module. The abs and ignition do not share same grounds so it sounds like separate problems. The abs/traction light most likely means you have a failed wheel speed sensor which is built into wheel bearings. Most parts stores can check diagnostic codes in abs module for free which should tell you which sensor/bearing has failed. Let me know if you have more questions or if there is anything else I can do to help. Here is wiring diagram of ignition system to help with testing. Let me know if you have questions, thanks.



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