P1502 Car wont accelerate.
Hello, a few days ago I took 2 fuses out of my car both for the alarm module, it didn't fix my problem so I put them back in and drove to my apartment. No problems.
The next day I turned on my car, started up fine. Then I tried to move, my car stalled out. I pushed the Throttle all the way to the ground and nothing happened, my engine speed stayed at idle and I have now trapped other people in the parking garage why I try and push my car to a close parking spot. I ran an OBD2 even though no check engine light showed up and I got the code "P1502" which it says is a throttle jacking unit, I don't know what this is,or how to fix it. I believe the fuses where B8 and C3 but I could be wrong. Any help, or insight would be Greatly appreciated. |
1502 means the throttle return time is too long. Try clearing the throttle body unit throughly as a first step. Take a look at this thread:
Erratic Idle Code P1502 - 986 Series (Boxster, Boxster S) - RennTech.org Forums |
Angry 986 Boxster In Limp Mode
My 2000 Boxster roadster with 2.7 is in limp mode. I have a P1502 code My generic scanner say is it is "fuel pump relay end stage. I have read where it is actually "jacking spring" issue If I clear the code, the engine smooths out and runs correctly I have removed the throttle body, cleaned it and reinstalled. Problem remains. The problem remains even after installing another throttle body, I cleared the codes, recalibrated the throttle body by turning on ignition for 60 seconds(without touching the gas pedal), turning ignition off for at least 10 seconds, then turning the ignition back on, P1502 code reappears I would really appreciate any advice on how I can get back on the road! -Is the throttle body the problem? If not, where should I look? If the TB is bad, is it OK to try a used one or an aftermarket TB Thank you Bob Nashville, TN area |
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Quote:
Three possible issues: Fuel pump relay faulty Short circuit to B+ DME faulty Check the fuel pump relay, if bad, replace If relay OK, check wiring from DME to fuel pump relay for short circuit to B+; if shorted repair wiring harness, if OK you need a new DME. Good luck...….. |
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