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01 gmc sonoma 4 3L W vin engine swap again found a 02 4 3L X vin has no egr system can I use the whole engine and eliminate the egr system and reflash the computer with a tech 2 scanner to make it not look for the sensor

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  • Cars & Trucks Master
  • 803 Answers

No, its better to just swap over all necessary components especially since your vehicle is categorized with EGR and may not pass emissions if you eliminate it.

Posted on Feb 10, 2014

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SOURCE: Which side is bank 2 on 04 yukon for sensor 2 replacement

if you look at the front of the motor you will notice one cyclinder is further forward then the other... that first cyclinder would be 1. i'm guessing the side opposite to cyclinder one would be bank two.


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Posted on Jan 22, 2009

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SOURCE: the computer says Random / muliple cylinder misfire detected

look for a vacuum leak

Posted on Feb 27, 2009

  • 38 Answers

SOURCE: 1992 gmc sonoma pick up egr system diagnostic procedures. help?!

To trouble shoot your rotten egg smell... have you checked your coolant level. Usaully when you smell a rotten egg smell from the exhaust it indicates that your engine is ingesting coolant. Possible causes are: blown head gasket, cracked waterjackets in one or more cylinders, intake manifold cracked or leaking manifold gasket at the heads. My buddy and I just got done changing out his intake manifold along with waterpump gasket, cooler line O-rings and oil pan gasket. He was finding that he was slowly loosing coolant, but nothing on the ground. I went to his exhaust and smelled it as it was running and it smelled like rotten eggs. That told me that he was ingesting his coolant. We checked around the intake manifold (plentum) gaskets and could see that things were looking damp. My friend did some checking around at the dealer and he found out tha GM has a lawsuit against DexCool (orange coolant) because their product was eating away the seals and mixing with the oil. My friend is driving a 2002 GMC Seirra (96,000 mi - 2nd owner) with the 5.7 liter (Aluminum heads). We pressure tested the coolant system and found that some of the coolant was coming out around the water pump seal as well. GM said that his truck wasn't on the list yet, but it could make the list soon so he's instructed to keep in touch. We also noticed the O-ring on the cooler line showed signs of failing because of the white crusty stain that tracked down the base of the head to the manifold. During all of this his truck seemed to be running fine. Before things got worse we decided to pull the Plastic (on his engine) intake manifold to look at the clip-on style gaskets. They looked bad. They are made of a type of silicone rubber and they looked like they were chemically melted or just like they were getting mishapen (kind of wavey looking in area's). We went to ADVANCED AUTOPARTS store (where we have received years of outstanding advise and quality parts) and queried the parts specialist who told us to also (because it's plastic and there have been known problems with the OEM intake manifold) check with a straight edge, the levelness of the mating surface on the intake manifold (gaskets removed of course). Numbers 2 & 4 intake ports had about a 0.040" gap under the straight edge. Even the silicone style gaskets when compressed can't bridge that gap effectively while under pressure. We searched the intake for cracks as well and found none, but to correct the intake problem we had to order a new intake from ADVANCED AUTOPARTS STORE and the new OEM standard replacement comes with a solution to the known problem and had thicker mating surfaces and the gaskets were embedded in the new design. while having the water pump off, and the intake manifold off we took the oportunity at and changed out his timing chain and gears along with his oilpan gasket that came with the FRAM water pump gasket kit. After making sure that his timing chain sprokets where aligned we put everything back together but opted to change out the AC Delco plugs for NGK Irridiums and OMG... Brother, there was no more leaks, no more throttle hesitation which is standard with OEM plugs and the truck set you back IN YOUR SEAT. The backend got started to float from left to right a rolling start of about 15mph to get out ahead of traffic that was just leaving the light and because of the recommendation of the reps at ADVANCED the truck runs like a Raped Ape. I litterally found myself searching for a break pedal on the passenger floor. LOL My buddy said that truck has NEVER run like that in the all the years that he has owned it. It always ran very clean and nice, but HOLY COW!!! He was grinning like the little school boy that just got his first kiss out on the school playground by cute little Lisa. Best of all... No more leaks and no more rotten egg smell.

You may not have all of these things going on with yours or maybe you do, but to address the smell I would look the engine over and pressure test the engine cooling system and if you're using the Orange coolant, GET RID OF IT before you spend approx $800.00 like my buddy. The coolant could also be causing your rough running engine. Coolant will choke up a cylinder causing your vehicle to run rough or irratic. We did the work in 2 days taking our time and making it right and he hasn't been happier ever since.

V/R,
Ford Guy

Posted on Mar 14, 2009

  • 1 Answer

SOURCE: EGR Valve, O2 Sensor

Absolutely a bad o2 sensor can cause problems with performance. If you replace one it is highly recommended to replace both or all four depending on your vehicle. If one o2 sensor is making your vehicle run rich you will burn more fuel and in return increase the amount of carbon or unburnt fuel if you will in your egr valve you could probably get away with cleaning it but I would recommend replacing it, it will save you from having to pull it off again. Check your catyletic converter because long exposure to carbon will mess it up.

Posted on Jun 06, 2009

  • 70 Answers

SOURCE: CHECK ENGINE LIGHT IS ON, GOT CODES P0157 2 TIMES,

the bank 2 sensor2 is used to check that your catylitic converter is working on that side of the exhaust. without seeing the car and doing sensor tests, it would be a gamble to say replace the sensor. so you can replace it and see what happens or take it to your favorite shop for further diagnosis

Posted on Dec 02, 2009

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1999dodge intrepid 2.7 lite idle low


Car Stalls and idles low

http://technoanswers.blogspot.com/2012/10/gmc-sonoma-stalls-and-idles-low.html
------------


It can be issue with IAC( idle air control valve) causing the problem.


There are many other possibilities causing these idle issues. Engine idles rough.

There are few help links with solutions to troubleshoot such idle issues.

I suggest you refer the link below and follow its troubleshooting details:------

Click the link below:-----

Ford Expedition IAC valve replacing

http://technoanswers.blogspot.com/2012/12/ford-expedition-iac-valve-replacing.html

Bad miss at idle?

http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html

-----------

Stumbling and stalling at idle after engine rebuild?

http://schematicsdiagram.blogspot.in/2012/03/stumbling-and-stalling-at-idle-after.html

------------

1999 Ford F-150 Idles rough and quits when gas pedal is pressed less?

http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html

---------

Engine stumbles coming off idle when warm?

http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html

------------------

Erratic idle on car?

http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html

-----------


Cold start problem and vehicle shudder around 2500 to 3500 rpms

http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html

----------

Low idle when cold out side?

http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html

-----------

GMC Sonoma Stalls and idles low

http://technoanswers.blogspot.com/2012/10/gmc-sonoma-stalls-and-idles-low.html

--------


GMC Idle Air Control (IAC) Valve Replacing?

http://schematicsdiagram.blogspot.com/2011/12/gmc-idle-air-control-iac-valve.html

-------------

1996 Camry intermittent engine failure while idle?

http://repairhelpcenter.blogspot.com/2011/10/1996-camry-intermittent-engine-failure.html

------------

Engine quits at idle?

http://repairhelpcenter.blogspot.com/2011/10/engine-quits-at-idle.html

-----------

Car overheats and Air blows hot at idle?

http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html

---------

High Idle Problem

http://repairhelpcenter.blogspot.com/2012/10/high-idle-problem.html

-------

While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

---------

Idle flair is noticed on car? Rough idle? car will not idle? Erratic idle speed?

http://technoanswers.blogspot.in/2012/02/idle-flair-is-noticed-on-car-rough-idle.html

--------

High rpm in neutral? Inconsistant high RPM in neutral?

http://technoanswers.blogspot.in/2012/02/high-rpm-in-neutral-inconsistant-high.html

-------

Vehicle stumbling at idle and shows code 54?

http://schematicsdiagram.blogspot.in/2012/03/vehicle-stumbling-at-idle-and-shows.html

----------

Rough idle, staling and Erratic shifting?

http://technoanswers.blogspot.in/2012/03/rough-idlestaling-and-erratic-shifting.html

-----------

While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

---------

These details will help.

Thanks.

Dec 12, 2012 | 1999 Dodge Intrepid

2 Answers

REPLACED THE EGR VACUUM SOLENOID NOW IDLES RUFF AND RPM GO UP AND DOWN AT IDLE


It can be issue with IAC( idle air control valve) causing the problem.

There are many other possibilities causing these idle issues.Engine idles rough.There are few help links with solutions to troubleshoot such idle issues.
I suggest you refer the link below and follow its troubleshooting details:------Click the link below:-----Bad miss at idle? http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html
-----------
Stumbling and stalling at idle after engine rebuild? http://schematicsdiagram.blogspot.in/2012/03/stumbling-and-stalling-at-idle-after.html

------------
1999 Ford F-150 Idles rough and quits when gas pedal is pressed less? http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html

--------- Engine stumbles coming off idle when warm?

http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html

------------------
Erratic idle on car?

http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html

-----------


Cold start problem and vehicle shudder around 2500 to 3500 rpms
http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html
---------- Low idle when cold out side?

http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html

-----------


GMC Sonoma Stalls and idles low http://technoanswers.blogspot.com/2012/10/gmc-sonoma-stalls-and-idles-low.html
--------


GMC Idle Air Control (IAC) Valve Replacing?

http://schematicsdiagram.blogspot.com/2011/12/gmc-idle-air-control-iac-valve.html

-------------
1996 Camry intermittent engine failure while idle?

http://repairhelpcenter.blogspot.com/2011/10/1996-camry-intermittent-engine-failure.html

------------
Engine quits at idle?

http://repairhelpcenter.blogspot.com/2011/10/engine-quits-at-idle.html

-----------
Car overheats and Air blows hot at idle?

http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html

---------


High Idle Problem
http://repairhelpcenter.blogspot.com/2012/10/high-idle-problem.html
-------


While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

---------
Idle flair is noticed on car? Rough idle? car will not idle? Erratic idle speed?

http://technoanswers.blogspot.in/2012/02/idle-flair-is-noticed-on-car-rough-idle.html

--------
High rpm in neutral? Inconsistant high RPM in neutral?

http://technoanswers.blogspot.in/2012/02/high-rpm-in-neutral-inconsistant-high.html

-------
Vehicle stumbling at idle and shows code 54?

http://schematicsdiagram.blogspot.in/2012/03/vehicle-stumbling-at-idle-and-shows.html

----------
Rough idle, staling and Erratic shifting? http://technoanswers.blogspot.in/2012/03/rough-idlestaling-and-erratic-shifting.html
-----------While stop engine idles like cylinder missing? http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html
---------These details will help.Thanks.

Nov 23, 2012 | 2001 Ford Escape

1 Answer

Where is the EGR valve located on 2002 gmc Sonoma 2.2 engine


Do you notice problem like vehicle stalls,low idle, then it can be due to faulty EGR valve.
Also is there check engine light ON.If yes,then get the vehicle scanned.It will tell what is the problem as per error codes.

For EGR valve location and more details,click the link below:---
http://technoanswers.blogspot.com/2012/10/gmc-sonoma-stalls-and-idles-low.html
-----------
These will help.
Thanks.

Oct 21, 2012 | Cars & Trucks

1 Answer

Code 21 for a 92 gmc snoma


It really depends on WHICH ENGINE your GMC is equipped with. The possible engines for GMC Sonoma for the 1992 model year are:
2.5L, 2.8L, 4.3L(VIN code "W"), and 4.3L (VIN code "Z").

This is really need-to-know information if you would like help diagnosing and repairing your engine control system.

Anyway, you probably have a problem with your TP sensor or TP sensor circuits, but I am not sure without looking it up by application.

Mar 05, 2012 | 1992 GMC Sonoma

1 Answer

I lost reverse and overdrive is slipping and humming at low speeds on my 4.3L two wheel drive '97 sonoma! Does this mean a whole new rebuilt/swap transmission or can it be something less such as a


Yes it can be transmission issue,as per the problem.In this condition i suggest to you to go through the procedure mentioned in following help links.Click the link below and go through troubleshooting procedure to confirm the problem :-----Engine stumbles and shuts off in forward gear? http://schematicsdiagram.blogspot.com/2012/01/engine-stumbles-and-shuts-off-in.html-----------Transmission problem? http://schematicsdiagram.blogspot.com/2012/01/transmission-problem.html
---------Automatic transmission will not go into high gear? http://howtobyme.blogspot.com/2011/11/automatic-transmission-will-not-go-into.html
------------Transmission shifting problem on Toyota Land cruiser? http://schematicsdiagram.blogspot.com/2012/01/transmission-shifting-problem-on-toyota.html
---------Transmission Slips out of gear? http://repairhelpcenter.blogspot.in/2012/02/transmission-slips-out-of-2nd-gear.html
---------OD light flashing and transmission fluid leaking? http://repairhelpcenter.blogspot.in/2012/02/od-light-flashing-and-transmission.html
-----------Overdrive light in the dash blinks? http://repairhelpcenter.blogspot.com/2012/01/overdrive-light-in-dash-blinks.html
----------O/D OFF light flashes ? http://technoanswers.blogspot.com/2012/01/od-off-light-flashes-on-ford-explorer.html
---------While going in reverse mode Fuse number 27 blows? http://howtobyme.blogspot.in/2012/02/while-going-in-reverse-mode-fuse-number.html
---------This will help.Thanks.

Feb 16, 2012 | 1997 GMC Sonoma

1 Answer

I need the fireing order for a 2000 sonoma 4.3 vortec and when i put the gas pedal to the floor it bogs down i just did a complete tune up and it still does it and no engine light is on


2000 GMC S15/T15 Sonoma P/U 4.3 liter V-6 VIN "X"
and
2000 GMC S15/T15 Sonoma P/U 4.3 liter V-6 VIN "W"


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Hope helps (remember to rate this answer).

Feb 25, 2011 | GMC Sonoma Cars & Trucks

1 Answer

I JUST NEED A DIAGRAM OF THE SPARK PLUG FIRING ORDER ON A 1995 GMC SONOMA. GOD.


1995 GMC S15/T15 Sonoma P/U 2WD 2.2 liter L4 VIN "4"

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1995 GMC S15/T15 Sonoma P/U 2WD 4.3 liter V-6 VIN "Z"

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1995 GMC S15/T15 Sonoma P/U 4WD 4.3 liter V-6 VIN "W"

38d92c6.gif

Hope help with this (remember rated and comment this).

Mar 28, 2010 | 1995 GMC Sonoma

1 Answer

1996 gmc sonoma 2.2 engine


For 1996 GMC Truck Sonoma 2WD 2.2L SFI OHV 4cyl
The EGR Valve is located under hood, center, rear engine area, mounted top rear driver side of engine.

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Fig. 11: Unfasten the EGR valve retaining bolts...


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Fig. 12: ...then remove the EGR valve from the vehicle


I really hope help with this (remember rated and comment this post).


Mar 10, 2010 | 1996 GMC Sonoma

2 Answers

What is the fuel pump pressure for a vortec 4.3l engine on a 2000 Sonoma gmc


2.2L Vin 4.... 41-47 psi Ignition switch is on and fuel pump running
2.2L Vin 5 ... 55-60 psi " "
4.3L Vin W .. 60-66 psi " "
4.3L Vin X ... 60-66 psi " "

Feb 07, 2010 | 2000 GMC Sonoma Extended Cab

2 Answers

I have a 2003 GMC sonoma with a 4.3L Vortec V-6. I just purchased the truck and are having some rough idling problems. Forums suggest cleaning the EGR valve. I cannot figure out where it is. Can someone...


The mid-02 and up do not have an EGR valve. GM redesigned the 4.3L and introduced it in the middle of the 2002 production run. The fuel injection spider, EGR system, knock sensor type, and a few other "refinements" were made at that time.
Have a scan tool capable of opening and closing the related solenoids in the EVAP system to verify that they were working? Did you check the engine for smoke in the intake that would result from a malfunctioning EVAP purge solenoid? If the purge solenoid were stuck open, then it could act similar to a failed or failing EGR valve.

Have a shop with a dyno, do a Drive cycle to refine the problem. Here is a link on what a drive Cycle is. http://www.obdii.com/drivecycle.html

Good luck and hope this helps. You can always go to Auto Zone and have them scan the truck for any codes, it just may time for a tune up. Not know how the truck has been taken care of before you, try add Marvel Mystery Oil to the engine 1000 miles before it's oil change. That should clean up any internal dirt and do not use any engine oil flush, that just promotes oil leak.
Keep me posted on how things are going, I also found that the only thing the GM 4.3 like is the OEM distributor cap and rotor, every after market gave me a rough running engine.

May 12, 2009 | 2003 GMC Sonoma Extended Cab

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