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I guess its time to bring it to the mechanic 89 740 700 1989

posted by  jeffrad on  Sat Mar 30 13:02 CST 2002
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Well I found the fault codes,via the diagnostic test proceedure, but all the components are clicking plus most are new, so im assuming there all good.Well anyway the codes are mostly wiring faults, but I took apart and cleaned all of the connections, and nothing was corroded or broken or loose so i would guess there all ok. The codes i retrieved were; 1-1-3...1-2-1...2-3-2..and 2-3-4. Since i have replaced plugs, cap, rotor, wires, FPR, ECT, fuel filter, 02 sensor, cleaned TB,took off IAC and cleaned it replaced AMM, exhaust system, vacuum hoses, pcv valve, and still having a wierd idle problem. The car starts up fine and runs perfect when it sits overnight, but after about a half hour of running, it doesnt want to stay running after a brief stop, then it starts up but wants to keep stalling out. It also has no power until after 2500rpms, then reluctantly gets going. Also has intake backfires. If i tap on the IAC while the car is running, it does all sorts of idle tricks. Im guessing this is bad but the codes dont say so.Im throwing in the towel, this is starting to test my patients.I dont know what else to do.

thanks for any input
jeff





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