I jusy replaced the socket on the driver's side because it showed burn marks and continually quit working.
Dorman part # is 85882. It's a pretty easy fix by going into the access panel under the light. If you have small arms, you can reach in through the brake air duct and pull out the socket...
You can check your exhaust backpressure if you have a vacuum gage. Unhook your air injection check valves on the exhaust manifold and, using a rubber conical adaptor on the vacuum gage hose, insert it into the pipe. At idle, you should show 0 psi and no more than 2 psi, IIRC, at 2000 rpm. Check...
you'll need a Volt/Ohm meter to do the quick check on the injectors.
Pull the connector from each injector and place the DVOM leads on each leg of the injector. They should all ohm at 16.5 +/- .5.
Since it will idle, also check them hot and post the readings. Odds are you have several that may...
Code 13 on module 4 (ECM) is for an O2 sensor fault. Check the wires for burns or melting, otherwise, pull the sensor and replace.
From the FSM for CCM code 13...
Check for poor connections at the CCM and the DIC which could cause an open or intermittent fault.
It's a pain, but pull the DIC...
SIR code 35 is an open circuit in the inflator squib. Try resetting the codes and see if this helps. It is a very precise procedure and may take several tries.
CCM code 13 (C for current fault, H for history) shows the fault "DIC switches open or shorted to B+."
72 - LCD Dimming output circuit...
Jake, I don't know much about the LT engine setup, but I'm sure the EGR is easier to access than the L98. I would think that either P or N would be the last letter stamped on the housing, but that is just a guess. Sorry.
I just checked the electrical supplement for my 90 and it shows light blue/ black wires for both relay coils, that are grounded by the ECM. I then checked the car and have a dark blue/white and light blue/black.
So much for accuracy in a FSM...
Two ways....
Go to Radio Shack and buy a variable resistor that will cover the range of the 15 possible keys(I don't have the list handy, so you'll need to search).
It will be time consuming as you have to wait 3-5 minutes after trying an incorrect key, before security resets. Once you find the...
The '90 does not have a temp sensor in the EGR tube.
If the diagnostics lead you to replacing the EGR valve, make sure it is a Positive pressure unit. (There will be a P at the end of the part numbering).
Bob,
Looking at my FSM, I also see that the LCD (5 amp) feeds the radio control head, along with the wiper and radio fuse...??? Have to be an electrical engineer to figure out their reasoning, I guess.
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