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EvergreenBoxster
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Error P1502 2000 Boxster S
EvergreenBoxster replied to rtremaine's topic in 986 Series (Boxster, Boxster S)
Hats off to Nick2508. Had a battery go bad in my 2000 Boxster S. Replaced it and the car immediately went into limp mode. Checked the codes and it indicated a 1502. Cleared the code and the car ran fine. Restarted the car and it went into limp mode again. Read up on this problem here and was very skeptical that a dead battery was suddenly the cause of a bad throttle body. Pulled the throttle body and inspected it. It was amazingly dirty for 50k. Cleaned it as well as insides of the manifolds, checked all the wiring, reinstalled. On start went into limp mode again and spit out a 1502. So…..Inserted the key into the ignition switch, slowly and methodically turned it on and off 20 times. Left it on for 1 minute and turned further to start the engine. It started fine, revs clean and is no longer coding. Took it out for a spin and its running great, no problem whatsoever. While I had her opened up I also replaced the secondary air pump which was making a high pitched squeal as if the bearings were going. Restarted again, no problems and no codes. Running great. Toby