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Chevy express 6.5 diesel trouble code po251

How to fix problem

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Posted on Jan 02, 2017

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SOURCE: 2000 chevy express 4.3 V-6 trouble codes 300,174. checked plugs,

It sounds like the fuel injectors are leaking or faulty. You should have an engine miss-fire code in the computer. Check the fuel pressure and compare to factory specs.
Did you clear codes or disconnect the battery? When you disconnect the battery the computer runs on a basic program until it re-learns.

Posted on Jun 24, 2009

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2006 GMC 4500 Diesel Truck - code P0039..At random intervals the engine will drop to idle and CEL illuminates. The throttle will not operate. what sensors I should replace and it what order? Thanks


Dodge Cummins Error Codes List - Diesel Bombers



www.dieselbombers.com > Dodge Cummins > Dodge Diesel Tech Articles

Apr 6, 2009 - It appears to have every CEL code known to man... or at least known to Dodge. ... Chevy/GMC Truck and Duramax Turbo Diesel Forum · Chevy/GMC Duramax... General · 2011 · 2013+ · 2007.5 - 2012 LMM · 2006 - 2007 LBZ .... P0039 Turbo/Super Charger Bypass Valve Control Circuit Range/Performance

Aug 23, 2015 | GMC Cars & Trucks

1 Answer

What is TSB 7/2006


TSB 7/2006
Subject/Concern: Hesitations; Poor or no start; Deteriorated fuel economy; Diagnostic trouble codes (DTC) P1412, P0490 and P1335 stored
Model: Focus C-MAX 2003.75 (06/2003?¿½) Build Date: 14.02.2004-01.03.2006
Build Code: 4R-6S
Assembly Plant: Saarlouis
Engine: 2.0L Duratorq-TDCi (DW) Diesel
Focus 2004.75 (07/2004?¿½) Build Date: Up to 01.03.2006
Build Code: Up to 6S
Assembly Plant: Saarlouis
Assembly Plant: Valencia
Engine: 2.0L Duratorq-TDCi (DW) Diesel
Markets: All
Section: 303-08
Summary


Should a customer express concern about one of the following:


* hesitations,
* poor or no start,
* deteriorated fuel economy,
and upon investigation diagnostic trouble codes (DTC) P1412, P0490 and P1335 are stored in the powertrain control module (PCM), the probable cause is a sticky exhaust gas recirculation (EGR) valve.


To rectify this concern, a new EGR valve with a stronger EGR valve motor and revised PCM calibration should be installed.

Jun 23, 2014 | 2003 Ford Focus

1 Answer

Have a chevy express diesel 3500 it runs good except it sometimes stall while driving and at certain speeds it jerks every now and again


it sounds like the transmission is slipping. you can try a bottle of lucas transmission slip fix but thats more of a band aid. if any fault codes are present check those, could also be a shift solenoid going bad. make sure fluid is at proper level and see if it looks or smells burnt, good sign of a slipping trans is burnt fluid.

Mar 28, 2011 | 2000 Chevrolet 3500

2 Answers

My 2002 chevy express 6.5 turbo diesel van,stalls out of the blue while driving.I have changed oil and filters to no avail.Please help.The mechanics have no clue why or what could be the problem.The...


have you check the fuel pump?or the fuel shutoff solenoid is going bad or loseing power. I also know that chevy has a problem with the fuel injection pump on the 6.5 diesel had one. the pump would go out around 50,000 mils

Feb 25, 2010 | 2000 Chevrolet 3500

1 Answer

1994 Chevy Suburban Diesel 6 5 Turbo For Sale in San Diego $3450


the gm turbo diesel is a castrated 350 gas engine. dont buy it. nothing but trouble. better off with a ford older model. you will pay a little more but in long run be much happier

Oct 30, 2009 | GMC Suburban Cars & Trucks

3 Answers

NEED DIAGRAM FOR ROUTING THE SERPENTINE BELT


PLEASE DON'T FORGET TO RATE--You didn't post the size of motor so please pick the applicable one:

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Accessory serpentine belt routing—4.8L, 5.3L and 6.0L engines

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Accessory serpentine belt routing—4.3L, 5.0L and 5.7L engines without A/C

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Accessory serpentine belt routing—4.3L, 5.0L and 5.7L engines with A/C

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Accessory serpentine belt routing—6.5L Diesel engines

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Accessory serpentine belt routing—7.4L engine

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Accessory serpentine belt routing—8.1L engine

Oct 22, 2009 | 2004 Chevrolet Express

2 Answers

2000 Chevy 3500 Express Van Cranks but doesnt start


SOUND LIKE INOPERATIVE GLOW PLUGS. THE GLOW PLUG RELAY OR CONTROLLER COULD BE THE PROBLEM.LET DEALERSHIP FIX IT.YOU NEED CERTAIN TOOLS TO WORK ON DIESEL ENGINES.

Aug 17, 2009 | 2000 Chevrolet Express Cargo

2 Answers

2000 chevy express 4.3 V-6 trouble codes 300,174. checked plugs,


It sounds like the fuel injectors are leaking or faulty. You should have an engine miss-fire code in the computer. Check the fuel pressure and compare to factory specs.
Did you clear codes or disconnect the battery? When you disconnect the battery the computer runs on a basic program until it re-learns.

Jun 24, 2009 | 2002 Chevrolet Express

1 Answer

ABS


Is it the ABS light alone or is the red brake light on also.
Your best bet will be to go to your local Auto Zone and ask to have your trouble codes read. They will do it for you at no charge. Write the codes down and reply back to me and we can start to diagnose the problem.
Good luck, let me know.
Regards,

May 09, 2009 | 2000 Chevrolet 3500

2 Answers

Can i use a 96 4L80E transmission in a 2000 Chevy Express Van


that trans is a little to lite duty for a diesel, u can use it but u will need to install the computer and the correct wiring harness.

Mar 01, 2009 | 1995 Chevrolet C/K 2500

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