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Search: Posts Made By: Danthurs
Forum: General GM Chat 06-14-2011, 07:08 PM
Replies: 0
Views: 4,769
Posted By Danthurs
ICM and crank position test

I just finished up a write up on testing the ignition control module, and also has in it how to test a crankshaft position sensor. Here is the link to it in tech info.
...
Forum: Trouble shooting + Test Procedures 06-08-2011, 08:59 PM
Replies: 0
Views: 28,501
Posted By Danthurs
ICM test

Testing the Ignition Control Module (ICM)


https://www.gmforum.com/howto/ICM/master.JPG
Each circuit is described by a letter. If you look closely at the connector (on the car)...
Forum: Mechanical 02-03-2011, 10:12 PM
Replies: 0
Views: 6,680
Posted By Danthurs
UIM and LIM gaskets L36

Disconnect the negative battery cable.

Remove the upper radiator hose and then use a shop vac to suck out some of the coolant.

Remove the cap from the shreader valve and then bleed off the fuel...
Forum: Mechanical 12-08-2009, 01:34 PM
Replies: 0
Views: 7,771
Posted By Danthurs
Harmonic balancer replacement

Jack up the passenger side of the car and remove the wheel
https://www.gmforum.com/howto/tech-info/t278822/P9060001.jpg

Remove the splash guard....
Forum: Normal Maintainence 10-02-2009, 12:50 PM
Replies: 0
Views: 20,869
Posted By Danthurs
Throttle position sensor (TPS) replacement

Locate your TPS on the side of the throttle body.

The unplug the sensor by lifting on the tab and then wiggle and pull the plug, do not pull on the wires....
Forum: OBD-II Trouble Shooting 09-27-2009, 03:23 PM
Replies: 0
Views: 6,901
Posted By Danthurs
P0530

P0530

Description
A/C REFRIGERANT PRESSURE SENSOR CIRCUIT


PCM uses input signal from A/C refrigerant pressure sensor to
determine if it should turn on engine coolant fans. When signal is...
Forum: OBD-II Trouble Shooting 09-27-2009, 01:34 PM
Replies: 0
Views: 16,744
Posted By Danthurs
P1665

P1665

Description
EVAP VENT SOLENOID CONTROL CIRCUIT

The Output Driver Module (ODM) is used by the PCM to turn on
many of the current-driven devices that are needed to control various...
Forum: OBD-II Trouble Shooting 09-27-2009, 01:07 PM
Replies: 0
Views: 10,262
Posted By Danthurs
P1639

P1639

Description
5-VOLT REFERENCE "B" CIRCUIT

PCM uses 5-volt reference "B" circuit as a sensor feed for
A/C refrigerant pressure sensor. PCM monitors voltage on this circuit.
If PCM...
Forum: OBD-II Trouble Shooting 09-24-2009, 04:15 PM
Replies: 0
Views: 7,296
Posted By Danthurs
P0121

P0121

Description
TP SENSOR SYSTEM PERFORMANCE

Throttle Position (TP) sensor measures amount of throttle
opening. PCM uses TP sensor information for fuel delivery
calculations. TP sensor...
Forum: Trouble shooting + Test Procedures 02-09-2009, 12:13 PM
Replies: 0
Views: 4,990
Posted By Danthurs
Engine trouble shooting guide

http://i300.photobucket.com/albums/nn3/dthurs2000/car/trouble%20shooting/enginepage1.jpg
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Forum: Normal Maintainence 01-24-2009, 02:12 PM
Replies: 0
Views: 13,413
Posted By Danthurs
EVAP clean

If you think your airflow is low due to clogged passages in the evap core, your finding wet carpet, or if your car is more then 6 years old, then this is something you should do.

Before starting,...
Forum: Mechanical 01-20-2009, 12:58 PM
Replies: 0
Views: 20,037
Posted By Danthurs
Adjust AC clutch plate

If you here grinding sounds from under your hood, or your AC is cooling intermittently, you may only need to adjust your clutch and not need that $800 service visit.
...
Forum: Electrical 01-19-2009, 03:14 PM
Replies: 0
Views: 16,803
Posted By Danthurs
Bypass VATs on 92-99

92-95 if the car cranks, vats is not the issue
96-99 if the car does not crank, vats is not the issue.


If you have a VATs on your car, your key will look something like this. The small black...
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