Question about 2001 GMC Sonoma

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2001 GMC Sonoma 6 cylinder surges shift late - 2001 GMC Sonoma

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  • GMC Master
  • 5,316 Answers

Check for vacuum leak.

Posted on May 24, 2015

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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emissionwiz
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SOURCE: transmision shifting problem

Reverse is not sycronized, this means the gears have to stop to mess and not grind, two thing cause this, being to quick to slam into reverse after clutch is depressed, a problem with the clutch.

Posted on Oct 31, 2008

Molson02536
  • 3854 Answers

SOURCE: I need to see the "how to's" in replacing the one way check valves on my 2001 gmc sonoma 4.3

On the 2001 gmc jimmy 4.3L v6 engine there are two air pump check valves: there's a pipe (about 1" diameter) that comes off each of the exhaust manifolds. the check valves are screwed onto those pipes. then a rubber hose (about 1.25" outside diameter) is clamped to the front of each check valve and connects to the air pump, which is hidden behind the vehicles grille in front of the radiator. typically, if you need to replace these (the life expectancy is about 3-4 years), it starts a chain of events that might be as follows: during the wintertime, water from the exhaust leaks through the worn out one-way check valves, and ends up in the air pump. the water freezes, and the ice jams the air pump, which may or may not ruin the air pump, but which usually blows the air pump fuse, which is impossible to find if you're rummaging around the passenger compartment fuse box or the under-hood fuse and relay box. it ain't there! so if you're looking under the hood leaning up against the front bumper, slide to your left around the passenger side headlight. now you should be looking at the battery, leaning up against the passenger side fender. look down between the battery and the fender. you have to push a few things out of the way, but there you will find a green 30 amp blade fuse (about 1" x 1" fuse--and $2.99 at autozone). this blown fuse should have triggered the check engine light and a DTC (diagnostic trouble code) of p0410 (secondary air injection system). for that vehicle there is a TSB (technical service bulletin) put out by gm (bulletin # 04-06-04-015; march 2004). if you want to print out some literature about all that i've mentioned just surf on over to http://www.obd-codes.com/p0410 for more links and documentation. my credentials: self-proclaimed auto mechanic for 26 years (sorry, no ase certification yet [but still trying to find time to study for the tests]) and college dropout (after 3 years of electrical engineering)--so, in other words, don't believe a word i say; just go to that website and get it straight from the horse's... 
Good luck and hope this helps. I know you have a Sonoma but we have the same platform. I am thinking of buying a set of headers without the Air injection system and having the jimmy dyno tuned again to eliminate the service engine light and recalibrate the ECM to eliminate the air injection pump. 

Posted on May 25, 2009

  • 3600 Answers

SOURCE: 2001 GMC Sonoma Ext cab 4.3l, quit while running

Pull plug wire and install a philips screwdriver into the plug wire get it 1/4 inch away from a good ground and crank the engine over, is there spark? if so check that you have fuel pressure buy renting a fuel pressure test kit from schucks or auto zone and turn the Key to run position with the gage hooked up, it should read 50 PSI turn key off and wait 20 seconds should still have 20 PSI of fuel pressure, if no fuel pressure check fuel pump relay, then check fuse to pump. if you have a bad relay and are not getting fuel then check the oil pressure switch to see if you have oil pressure at the switch if no pressure then the oil pressure safety switch has died and needs to be replaced and should stark after replacing. If you have fuel then check the timing to see if you slipped timing belt.

Posted on Jun 12, 2009

thunderalley
  • 432 Answers

SOURCE: my 2001 GMC sonoma stalls out going up hill?

how much fuel in tank and how long driving uphill???Pump may be running dry

Posted on Sep 25, 2009

  • 1810 Answers

SOURCE: The four wheel drive in my 2001 gmc sonoma

sounds like a burnt out reley or switch check the fuses and wires to the transfer case

Posted on Jan 03, 2010

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2001 gmc sonoma automatic trans doesnt shift gears reverse works


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Firing order on a 2000 gmc Sonoma v/6


Shelia, 2000 gmc Sonoma v/6 Firing order, firing order for the 4.3L engine is 1-6-5-4-3-2.
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1 Answer

What is the firing order for a 91' 4.3l gmc sonoma?


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1 Answer

Cluth line to transmission is leaking and loose on transmission


slave cylinder, first check to see if it has fluid, than bleed like you the brakes, there is a resvoier for just the clutch it is usually held on w/ 2 bolts the slave cylinder

Sep 19, 2009 | 1991 GMC Sonoma

1 Answer

We have a 2001 GMC Sonoma c3. Vehicle will stall once in awhile when it is warmed up


A dab more info?
Mileage
4-cylinder?
Air
Automatic
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Stall when moving, accelerating,stopped or what?

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