![]() ![]() You could just leave it plugged in so u dont throw a code i wouldnt think that it would be able to identify that it wasnt attached.Īlso has anybody done the spark plug nonfouler mod for the O2 sensor on our MSP's? Does it work? Do u have a better solution? I saw a thread about putting in a resistor and a capacitor but people were saying that it worked for a little while but then threw a code for it again, so dont want to have to keep rewiring it every couple weeks. Check that the memory is cleared by making a diagnostic request.So i have read about cleaning the egr valve so it will hopefully smooth out the idle and what not, but has anybody just completely takin off the egr valve and put a plate over the hole and takin the tube off from the intake manifold. Repeat the grounding and ungrounding 2 more times.ĥ. Use a jumper wire to ground the ALDL terminal A to H for 2 seconds.Ĥ. Turn the ignition switch to the RUN position.Ģ. On 1996 vehicles, the trouble codes can only be cleared by the Tech 1 scan tool.ġ. On 1985-95 vehicles the trouble codes may be cleared using a Tech I scan tool or by performing the following procedures. The trouble codes are the same as the earlier year vehicles. It is not possible to read the trouble codes by the flashing light method. Trouble codes on the 1996 vehicles can only be read using a scan tool. * Code 86-Shorted anti-lock indicator lamp * Code 81-Brake switch circuit shorted or open * Code 68-Locked motor or shorted motor circuit * Code 67-Open motor circuit or shorted BPMV output * Code 65-66-Open or shorted pump motor relay * Code 37-Erratic VSS or LR speed sensor signal * Code 36-Missing VSS or LR speed sensor or circuit open * Code 35-VSS or LR speed sensor or circuit open * Code 31-RR speed sensor or circuit open * Code 29-Simultaneous drop out of front speed sensors * Code 25-LF speed sensor or circuit open * Code 21-RF speed sensor or circuit open The terminals must be jumped for about 20 seconds before the code will begin to flash. ![]() Observe the flashing of the ANTI-LOCK warning light. The trouble codes are read by jumping terminal A and terminal H of the ALDL (assembly line diagnostic link) with a jumper wire. * Code 8-Shorted dump valve or faulty ECU * Code 7-Shorted isolation valve or faulty ECU ![]() * Code 5-Excessive dump valve activity during stop ![]() * Code 2-Open isolation valve or faulty ECU If there is more than one failure, only the first recognized code will be retained and flashed. Sometimes the first count sequence will be short, however, following counts will be accurate. The terminals must be jumped for about 20 seconds before the code will begin to flash.Ĭount the number of short flashes starting from the long flash. Observe the flashing of the brake warning light. Has anyone ever tried this? does it work?Ĭlick image to see an enlarged viewFig. ![]()
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