Question about 2002 Chevrolet Silverado 2500HD

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We need a diagram for a 2002 Chevy Silverado 2500hd duramax

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Posted on Jan 02, 2017

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SOURCE: CHEVY SILVERADO 2500HD DURAMAX DIESEL

DTC P1093
Fuel Rail Pressure Low During Power Enrichment



The engine control module (ECM) uses the fuel rail pressure (FRP) sensor to determine fuel pressure to the fuel injectors. This is then compared to the calculated target fuel pressure as determined by the ECM. The ECM adjusts the FRP by modulating the duty cycle of the control driver of the fuel pressure regulator. Injector pulse duration is determined by the measured rail pressure and the target injection fuel into each cylinder. If a sensor circuit malfunction is detected, or the commanded fuel injection pump flow is not within the proper range for a given engine load and speed, DTCs will be set.

DTC U1000 and U1255 Circuit Description Modules connected to the class 2 serial data circuit monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the modules. When a module receives a message for a critical operating parameter, the module records the identification number of the module which sent the message for State of Health monitoring. A critical operating parameter is one which, when not received, requires that the module use a default value for that parameter. When a module does not associate an identification number with at least one critical parameter within about five seconds of beginning serial data communication, DTC U1000 or U1255 is set. When more than one critical parameter does not have an identification number associated with it, the DTC will only be reported once. The class 2 serial data line on this vehicle is a ring/star configuration. The following modules communicate on the class 2 serial data line:
• The body control module (BCM) • The digital radio reciever • The driver door module (DDM) • The electronic brake control module (EBCM) • The front passenger door module (FPDM) • The HVAC control module • The inflatable restraint sensing and diagnostic module (SDM) • The instrument panel cluster (IPC) • The memory seat module (MSM) • The powertrain control module (PCM) • The radio • The radio amplifier • The rear seat audio (RSA) controller • The rear seat entertainment (RSE) assembly w/U42 • The rear wheel steering control module • The remote playback device-CD player w/U1S • The transfer case shift control module • The transmission control module (TCM) w/Allison transmission • The theft deterrent control module • The vehicle communication interface module (VCIM) w/UE1

Posted on Dec 09, 2008

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Auto Master
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SOURCE: Need to know Oil Capacity for Duramax 6.6 in 2004

Hello,
The requirement is 10 QTS. I use 10 and check it cause some times they hold 11 QTS. I hope this helps. If you have more questions reguarding this or other conserns please ask me. Please remember high ratings are very important to me.

Thank You,
Roy

Posted on Aug 28, 2009

Testimonial: "Thanks very much for that Regards Bryan McRae New Zealand"

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SOURCE: Power steering and brake line location2002 Chevy Silverado 2500HD

the power steering lines are very short hoses approximately 8 inches long that go from the power steering pump down to the steering box, which is located on the frame, just below the pump. The brake lines run from the master cylinder(where you fill it with fluid on the drivers side firewall) down to the frame, and then follow the frame both directions; both to the front end and the rear end, along the drivers side frame rail, just on the inside of it. The fuel line runs along the same path to the rear.

Posted on Oct 03, 2009

  • 196 Answers

SOURCE: Left front wheel clicking. think wheel bearing.

Clicking, especially while turning usually more so points to a problem with the CV joint, or axel, the easiest way to test a wheel baring is to jack up that side of the truck until the tire is off the ground, leave the lug nuts on and try to wobble the tire in all directions, if everything seems solid it is not likely the bearing casuse the sound, another note when a bearing starts to go bad, it usually hums opposed to clicks. Im sorry i dont have a diagram, but this proceedure should get you on the right track in diagnosing the issure, good luck!!

Posted on Mar 21, 2010

  • 14585 Answers

SOURCE: How do I change the cabin filter on 2002 Chevrolet

The air filter is located under the hood, passenger side, up by the windshield. it has a small retangular cover about 3 X 10 that pulls off

Posted on Jun 13, 2010

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2 Answers

2002 chevy 6.6 duramax wont start even in warm weather or after motor is warm..... only starts with starting fluid. codes are p0335/p0193/poo87/p0090


The Duramax fuel filter assembly is bad about sucking air. Replace the fuel filter assembly. It comes with a new fuel filter.
I need some good feedback.

Oct 09, 2011 | 2002 Chevrolet Silverado 2500HD

1 Answer

We have a 2002 Chevy 3/4 HD Duramax that is blowing out blue smoke. Mileage is 371,256 Any ideas


You will need to have the injectors and injector seals checked and if it is a turbo you will also need to have the turbo seals checked.

Jun 28, 2011 | 2002 Chevrolet Silverado 2500HD

2 Answers

How do I change the cabin filter on 2002 Chevrolet


The air filter is located under the hood, passenger side, up by the windshield. it has a small retangular cover about 3 X 10 that pulls off

Jun 13, 2010 | 2002 Chevrolet Silverado 2500HD

1 Answer

2002 chevy 2500HD Duramax the front left side of truck rides an inch and a half lower than the right. the front end also sqweeks when you turn the steering wheel


sounds like you broke a spring or a spring mount
check opisite side also just incase somtimes the springs spin out of mount and lodg in weird positions

Jan 02, 2010 | 2002 Chevrolet Silverado

1 Answer

2007 chevy silverado 2500 hd duramax shut down


mo me it sounds like low fuel volume i would check my lift pump

Sep 30, 2009 | 2007 Chevrolet Silverado 2500HD

1 Answer

I have a 2002 2500HD silverado with a 6.6L Duramax my heater and a/c isn't working. I've checked all fuses.


Sounds like the control head. That's the control module in the dash you press for AC and heater.

Sep 12, 2009 | 2002 Chevrolet Silverado 2500HD

2 Answers

Fuel in oil on 2002 chevy 2500hd duramax


THE DURAMAX ENGINE INJECTORS GO BAD AND SPRAY TO MUCH DIESEL AND IT FILLS THE CRANK CASE UP 200 THOUSAND MILE WARRANTY COMMON PROBLEM DON'T DRIVE IT ANY MORE IF U HAVE BAD INJECTORS.

Jun 21, 2009 | 2003 Chevrolet Silverado 2500HD

2 Answers

Duramax Shuts off at 1000 rpms


I had tha same problem it was the high pres. fuil pump. mine was 2000 rpms and 25 to 30 mile an hr was all i could get out of mine. hope this help you out.

Apr 20, 2009 | 2005 Chevrolet Silverado 2500HD 2WD

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