Question about 2001 GMC W3500

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4.7 liter, 4 cylinder. Isuzu engine - 2001 GMC W3500

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The following are the general instructions on the start of diagnosing any electronically controlled engine or transmission problem.

The engine and the automatic transmission (transmission control is only for automatics, engine is still computer controlled no matter the transmission type) in this vehicle are computer controlled and in most cases when a fault occurs a fault code is stored in the memory of the computer control module. There are exception to this, such as the Mass Airflow Meter and fuel pressure problems. What must be done is to have all the basic testing done such as a scan of the system for fault codes as well as a check with a live data scanner tool for engine functions that are not within range of normal, a trained technician is required to know what is correct and what isn't, then based on careful diagnostics done from a factory repair manual the correct part is replaced or the wiring repaired or the computer replaced (known as the PCM or ECM,ECU), which is very rarely the problem. Other basic checks must be done as well such as mechanical problems with the engine as well as engine state of tune and mileage on the engine. The transmission can have mechanical issues as well such as no gear engagement at all or a failed pump or other pressure related problems. Also engine mechanical problems can and do cause many drive-ability related problem such as rough idle and other symptoms.

Posted on Nov 08, 2012

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6ya6ya
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Posted on Jan 02, 2017

MNfisherman
  • 11896 Answers

SOURCE: My 1999 GMC Sonoma(manual transmission) sputters

Change fuel filter, plugs and wires.
Check for any vacuum hose leaks.
Check gas cap to make sure seal is not broken
Check fuel pressure and spark to all cylinders.

If check/service engine light is on, have an engine diagnostic test done to pinpoint exact problem.

Posted on Nov 16, 2009

  • 91 Answers

SOURCE: how to remove the rear drum off a GMC W4500

This is a full floating axle. The drum and the hub come off together. The axle must be pulled by removing the bolts or nuts on the hub center.Then the large nuts behind it must be removed. Now the hub and drum assembly can be removed. If you've already done that and the drum still won't come off back off the brake adjuster as far as possible. A ridge of rust sometimes forms inside the lip of the drum that will keep it from sliding off until the shoes are backed off. Very worn shoes can also literally wear grooves into the drum and make it impossible to remove until the adjusters are backed all the way off. If everything is rusted solid and you can't get anything to move check with the owner and, if it's O.K. with him, take the sawsall or the torch and cut the lower part of the backing plate out of your way. Then cut the adjuster in half. Now the drum will come off.

Posted on Mar 20, 2010

  • 170 Answers

SOURCE: gmc w4500 with 5.2 L

Follow this link. Hope it helps. Good Luck.
http://www.duramaxforum.com/forum/04-5-05-lly-duramax-powertrain/106-trouble-codes.html

Posted on Sep 28, 2010

jturcotte
  • 8140 Answers

SOURCE: I have a 2005 GMC W4500 , the check engine light

Please see my tip at http://www.fixya.com/cars/r5932051-check_engine_light_check. These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.


we need the trouble codes to help you, please.

Posted on Oct 15, 2010

dgmcwilliams
  • 89 Answers

SOURCE: I have a 2006 GMC

Have you serviced the fuel filter/water/seperator/heater? P0093 could also refer to the possibility you filled the truck up with fuel when it was running setting that code. The code for fuel pressure is derived at the rail delivery on a Duramax, again check the fuel filter, or there is a obvious leak somewhere. Hard to tell without looking at it, but start there. Is fuel cap sealing, look at O ring in cap make sure it is not degraded or missing. Other than that could be pump (delivery) for fuel, costly. Look for wetness from the tank, lines, pump, etc...

Posted on Oct 22, 2010

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1 Answer

On my 1990 Isuzu 4-wheel drive pickup I got a 2.0 four cylinder motor in it start knocking I got a chance to buy 2.8 liter V6 grover v 6 interchange with the four-cylinder


can be done with a few mods

needs the.engine bay wiring loom of the V6 ... ECU if not diesel
will need the V6 gearbox and transfer case

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unknown ratios but check if
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engine oil? what engine, we can not guess engines here.


is this a huge BUS !? with v10 cylinder engine?

that be huge amounts of oil.
we dont have them here, so can look it up.
this is USA forum.
but maybe someone from your unstated country can help. be the 3rd parts ever to post country and win a price.


that engine in a bus, is 17.0 liters displacement. yes, huge.

(accurate answers)

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Firing order on a 97 Toyota Tacoma 2.7 liter 4 cylinder


The firing order of in-line 4 cylinder engines is the same (for old car models) of Chevy, Olds, Pontiac, Dodge/Plymouth, Datsun/Nissan, Honda, International, Isuzu/LUV, Jeep, Mazda/Courier, Mitsubishi, Opel, Toyota and VW.
"Always check the exact firing order of your engine. It is is generally stamped or cast on the engine's intake manifold, valve cover or cylinder head."
Source: "Tune-up and Electrical Service" page 161 ISBN 1-879110-15-6 published by Do-It-Right Publishing, Inc P.O. Box 839 Newhall, CA 91322-0839

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1993 isuzu pickup truckCan someone put a 3.1 liter 6 cylinder motor in a 1993 4wd pickup that came stock with a 2.6 liter 4 cylinder?


problems will be with the longer engine and radiator clearance and the bell housing mounting bolt holes and engine mount positions. You may need and adaptor plate on the block to fit the gear box. It would be worth pursuing the idea but prepared to spend some dollars to accomplish it.

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1 Answer

Need spark plug wiring diagram for a 96 isuzu hombre 2.2L 4 cylinder


1996 Isuzu Hombre 2.2 liter SOHC L4 CPC

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Good luck (remember rated this).

Jul 01, 2010 | 1996 Isuzu Hombre

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Need spark plug wirering diogram


There was a six cylinder 2.8 liter engine, and a four cylinder 2.5 liter engine used in that vehicle for that year. Here are the firing order diagrams for both engines.

2.5 liter 4 cylinder engine.


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2.6 liter 6 cylinder engine.




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1 Answer

FIring Order of a 2004 Isuzu Rodeo 3.2L Engine


My apologies for the delay....Due to the bad economy the number of questions posted has skyrocketed 50% in the last 4-months.

For 2WD and 4WD it is the same:
For 3.2L:
Firing Order:
1-2-3-4-5-6
Cylinders:
5-------6
3-------4
1-------2
(front of vehicle)
Coil is on the Spark Plug

Let me know if this helped, or if you have additional information or questions. Feel free to contact me at FixYa.com!

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2 Answers

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Good luck
MIKESTA

Jul 13, 2009 | 1994 Isuzu Pickup

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