Question about 2002 GMC Envoy

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02 gmc envoy 4.2 engine cranks but no start

Fuel pump pressure ok no dtc

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

emissionwiz
  • 74945 Answers

SOURCE: driver door panel removal on 02 gmc envoy

2 or 3 screws and about 12 christmas tree push in clips

Posted on Oct 29, 2008

fyrebyrd1
  • 121 Answers

SOURCE: 1998 GMC Turns over but won't start

P1870 is a transmission code. This code indicates a slippage in the trans between 1st and 2nd gear shift. This code would likely have nothing to do with your hard/no start issue.

Posted on Dec 08, 2008

  • 114 Answers

SOURCE: 2002 gmc yukon, rich fuel code, low fuel pressure @40

you may have two oxugen sensors on your yukon. if so the oxygen sensor that controls that bank may be bad. from what you mentioned in your complaint, it sounds like it is the oxygen sensor.

Posted on Dec 24, 2008

  • 1118 Answers

SOURCE: 2000 gmc jimmy wont start fuel pump comes on and cuts off...

When you hook the pressure test guage to shrader valve on fuel rail what it reads is what the pressure is from pump, around 60 p.s.i. all you need to do is hook up the guage and turn on key, you do not have to turn engine over, and if pump is good it will shoot up to 58 or 60 right now.

Posted on Feb 14, 2009

66 chrgr
  • 1011 Answers

SOURCE: 2000 gmc jimmy wont start fuel pump comes on and cuts off...

the fuel pressure if leaking could cause this the regulator is located under the intake plenum but you should smell gas .if you dont then most likely the pump is bad ,the pump will come on for 2 seconds when the key is on then go off it will not stay on with just the key on only when you crank it will it .so have your fuel pressure checked with a gauge.

Posted on Mar 22, 2009

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1 Answer

02 trailblazer will not stay running after I crank it without a little gas. Replaced throttle body and still not working right.


need to check fuel pressure.
With out proper fuel pump pressure engine will not start or run. Here is a way to try to start engine. turn key on but do not crank engine over, turn key off, then turn key back on, do not crank engine over. Repete 3 or 4 times. This gets fuelpressure up to where it should start. Have fuel pump pressure tested. Replace pump as needed.

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Apr 21, 2017 | Cars & Trucks

1 Answer

The engine will crank but will not start why?


Do you have any codes or an engine light on, in your dash board ? Have you checked for spark at your plugs ? There are many things that could cause a vehicle to not start. Bad camshaft/crankshaft sensors. Poor ground wiring. Defective spark plugs or wires/coils.

Nov 22, 2016 | 2004 GMC Envoy

3 Answers

Ran my 02 envoy out of gas,after refueling started right up,went 3 blocks, died again just as before and now won't start at all. It turns over but no fire. We replaced cam and crank sensors-no go.help


Is there any fuel? Running a fuel injected vehicle out of gas is not good for the fuel pump as the gas is what is used to lubricate and cool the pump. If fuel pressure ok? Try banging on the tank with your fist while someone cranks the engine. If it starts or trys to start, suspect a bad fuel pump

Jun 08, 2015 | 2002 GMC Envoy

1 Answer

I have a 2005 gmc envoy 4.2 and secdonary fuel injector error code. what is this?


DTC P0542 - Fuel pump secondary circuit?

That code isusually set when the inertia switch is tripped or been unplugged while doing a fuel injection service. Being that you have fuel pressure the pump is working and is most likely a memory code. Disconnect the battery and recheck for codes, perform anothe key on engine off test. and see if the same code resets.If it doesnt start try running the vehicle with your foot on the gas with it open part throttle, if it runs and holds an idle it is a sticking idle air control valve.

Hope this helps.

Mar 14, 2012 | 2005 GMC Envoy

1 Answer

2003 Envoy have to crank two or three time before it will start


Have you changed your fuel filter lately? How about a tune up. Those are the things I would look at first and also check the fuel pressure with a fuel pressure gauge to make sure the fuel pump is not getting weak.

May 12, 2011 | 2003 GMC Envoy

2 Answers

Does the 2002 GMC Envoy have a fuel filter?


yes- underneath in front of tank

May 04, 2011 | 2002 GMC Envoy

1 Answer

Cuts off while driving and take 10 mins to start


does it have spark when it is not starting crank sensor or mogul if spark OK check fuel pressure or even listen 4 pump running when key on need more help just ask

Mar 10, 2010 | 2002 GMC Envoy

2 Answers

ENGINE HARD TO START WHEN COLD AND HOT.USUALLY STARTS ON SECOND TRY.


02 sierra 1500 5.3 starts very quick when cold but when hot cranks a lot before starting,I replaced fuel pump and filter did not help.It has 55 psi fuel pressure but falls below 40 kinda fast.???

Feb 22, 2010 | 2000 GMC New Sierra 1500

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1998 5.9 jgc cranks but wont start.starts with a shot of ether,is this bad fuel pump


could be the pump? or the pump relay? or even a clogged fuel filter crack the line going into the rear of the filter and crank the motor if fuel comes out ? change the filter if no fuel then? check the relay and or change the pump

Jan 21, 2010 | 1998 Jeep Grand Cherokee

1 Answer

How to cahnge a fuel filter in a 2002 envoy


  1. Remove the fuel pump relay from the junction box
  2. Crank the engine.
  3. Allow the engine to start and stall.
  4. Crank the engine for an additional 3 seconds to ensure the relief of any remaining fuel pressure.
  5. Disconnect the negative battery cable in order to avoid re-pressurizing the fuel system.
  6. Install the fuel pump relay to the junction box .
  7. Tighten the fuel filler cap.

Jun 17, 2009 | 2002 GMC Envoy

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