Question about 1992 GMC Sonoma

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Where is the electronic ignition module located in a 1992 GMC Sonoma 2.5L 4 cylinder engine?

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Sits in the ignition distributor, remove cap and two small bolts that hold it in place.

Posted on Jul 14, 2010

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Standard Brand ignition lock cylinder recodingMat for a 1999 Sonoma gmc. Installed a new ignition lock cylinder, my gears are locked. Do I need to recode it, to get the gears to unlock


There is a shifter unlock cable( not plug in or loose). The only thing with the cylinder replacement may be a relearn for security. This kills the engine, doesn't mess with the shifter or transmission.

Oct 22, 2016 | 1999 GMC Sonoma

1 Answer

How to locate ignition module on a 1991 gmc sonoma 2.5L V6?


the ignition module on this is inside the distributor. it lays flat on the distributor plate and usually has 4 wires connected to it. 2 wires on one end of the module connector and 2 wires on the other end of the module connector.

Aug 21, 2014 | Cars & Trucks

1 Answer

Locate ignition module on 1992 suburban gmc 1500 need to replace


CONTROL MODULE-IGNITION

1992 GMC Truck C1500 1/2ton Sub 2WD 5.7L TBI 8cyl

The Control Module-Ignition is located: Under hood, center, rear engine area, mounted in distributor

Feb 06, 2013 | 1988 Dodge B250

1 Answer

1995 gmc sonoma has no power to ignition control module or coils there for has no spark


Since you said coils, I will assume you have a 4 cyl engine. The V6 models use a distributor.
The pink wire which powers the module as well as the injectors is from a 20amp fuse number 10. It is supposed to be hot in the On position.
If you have no power there with the key on, check the key switch.

Aug 24, 2012 | 1995 GMC Sonoma

1 Answer

I have a 1992 gmc sonoma and it starts fine when its cold and runs good but when it warms up it dies and wont stay running and sometimes wont start till it sits for 15 20 min


sounds like a bad ignition module check for spark when it dies if you do not have spark at plugs check between coil and coil wire if still no spark most likely module it is under rear of distributer cap resembles a black wafer board with two electrical plugs

Mar 25, 2012 | 1992 GMC Sonoma

1 Answer

I need to know the firing order of my 1992 GMC Sonoma 2wheel drive standard transmission


You did not list the engine, but this should help:

Distributor rotates clockwise on all engines.

2.5L --1-3-4-2

2.8L --1-2-3-4-5-6

4.3L --1-6-5-4-3-2

Feb 18, 2011 | 1992 GMC Sonoma

1 Answer

I have a 1992 gmc sonoma 2 wd 4.3L throtle body i am getting the service engine soon light and I checked the codes and I get number 42- Electronic spark timing bypass circuit or EST circuit is grounded...


CODE 42 Trouble Code 42 indicates that there may be a malfunction in the Electronic Spark Timing (EST) system.
During cranking, the timing is controlled by the ignition module while the ECM monitors the engine speed. When the engine speed exceeds 400 RPM, the ECM sends a BYPASS signal to the ignition module which switches the timing to ECM control. The ECM calculates what the timing should be then "tells" the ignition module via the EST circuit.
An open or ground in the EST circuit will stall the engine and set a Code 42. The engine can be re-started but it will run on ignition module timing.
The conditions for setting this code are:
  • System in BYPASS mode but the ignition module is still controlling timing
    - or -
  • Engine speed > 600 RPM with no EST pulses (ECM controlled timing) going to the ignition module for 200 msec.


Typical causes for this code include:
1) BYPASS line is open or grounded
2) EST line is open or grounded
3) PROM or CALPACK not seated properly in the ECM
4) Poor connections between ignition module and ECM
5) Poor routing of EST harness and/or poor quality ignition wires (EMI induced electrical noise)
6) Faulty or incorrect ignition module
7) Faulty ECM


Thank you for using fixya and keep us posted

Oct 10, 2010 | 1992 GMC Sonoma

1 Answer

Spark plug wires mismatched. 1996 GMC Sonoma Pickup Truck.


Their is no distributor on a this vehicle from the factory. Their are two coil packs loctated underneath the intake manifold. If the coil packs have not been replaced then they will be labled 1-4 in white numbers next to the terminal. The pack lolcated on the lowerside of the ignition module should be 2 / 3 and the top 1 / 4.

Jun 23, 2009 | 1996 GMC Sonoma

1 Answer

Starter in a 1992 GMC Sonoma 4.3 v6


bottom rear of engine on the passenger side, the starter is serviced from under the car. it is held to the engine block with two bolts, then u must remove the battery cable and starter solenoid wiring as well, always disconnect the battery before doing any work on the starter.

May 19, 2009 | 1992 GMC Sonoma

4 Answers

2001 GMC Sonoma Engine stopped while driving


sounds like it could be plugged injectors or a timing problem.

Oct 27, 2008 | 2001 GMC Sonoma Extended Cab

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