May 24, 200619 yr I think the TPS is getting lazy in its old age on my SPFI '87 GL. Can it be cleaned or replaced? Where is it? Symptoms include low idle upon first start of the day then within 15 seconds, rpms will slowly increase to its regular 1500. Also when running the AC , the motor will usually die or idle at about 300 rpm when comming to a stop. Otherwise engine runs great @25 mppg.
May 24, 200619 yr What about the coolant temp sensor? It is located to the top left of the throttle body, it's in the block. Rear ....x O==[]==O
May 24, 200619 yr almost sounds like it could be the idle air control valve (IAC). Some searches should show where it is, and that it can get gunked up and need cleaning.
May 25, 200619 yr Did you check the Hoses that activate the Idle Actuator of the Air Conditioneer? Those are two: one comin´ from the engine (3/16") to the Passenger´s side of the hood (Near the Glass) where the Relays of the A/C are Located... The second one comes from there to the Accelerator linkage, and it "Pulls" it a li´l bit to make your engine´s Idle speed increases when you turn on the A/C. If one or both of them are Unplugged or damaged, the simptoms are like that you describe... See this thread, maybe it can Help: http://www.ultimatesubaru.org/forum/showthread.php?t=56060 Good Luck!
May 25, 200619 yr yes the TPS can be cleaned and repaired with excellent results. we have a complete write-up with pictures at http://www.xt6.net of the process. here's a direct link: http://www.xt6.net/forum/viewtopic.php?t=5525&highlight=tps
Please sign in to comment
You will be able to leave a comment after signing in
Sign In Now