Question about 1998 GMC Envoy

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Code P0171 and P0300 any comon problems 2008 gmc envoy 4.2

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

pctech1
  • 1940 Answers

SOURCE: i have a gmc envoy

P0107 Manifold Absolute Pressure/Barometric Pressure Circuit Low Input

P0130 02 Sensor Circuit Malfunction (Bank I Sensor 1)

P0135 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)

P0171 System too Lean (Bank 1)

Check your Manifold Absolute Pressure Sensor, and it might be a good time to install a new Upstream O2 Sensor.

It might also be beneficial to have your fuel pressure checked if the engine is really running Lean, but this may be caused by a faulty O2 sensor.

Posted on Jul 19, 2010

  • 2309 Answers

SOURCE: Can a 2008 4wd (4 x 4) GMC Envoy be flat towed?

any 4x4 should be trailered, as dammage to the trans or transfer can result, if you have to tow i recommend you remove the drive shafts

Posted on Sep 15, 2010

ryanlutton
  • 1113 Answers

SOURCE: 2005 gmc envoy fault code P0300

This is a misfire.....Start with the least expensive thing....First thing to try is change your spark plugs to A/C Delco 41-103's. If this doesn't clear the code, you probably have a bad coil which can cost around $70 each.

Posted on Jan 04, 2011

  • 14585 Answers

SOURCE: 2002 gmc sierra p0171 p0174 p0300 oygen sensor and

Check for vacuum leaks to start. Then check the evap system. I just replaced a evap vent solenoid on a suburban with the same codes. fixed the problem.

Posted on Apr 17, 2011

SOURCE: B0455 code in a 2008 gmc envoy

PO 300---Random Misfires detected ,forget that

PO 305---Cylinder #5 Misfire detected

May be a bad Ignition Coil

Don't throw parts at it,have it properly diagnosed

Posted on Jun 09, 2012

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98 dodge ram 1500 5.9L 2wd codes P0300, P0301, P0302, P0303, P0171. What all do I need to do to resolve??


the p0300--p0301-p0302=p0303 are misfire codes and can mean needs tune up or wiring problem and p0171 is system to lean bank 1 with this code if you correct it will probably correct the misfire codes your receiving
http://www.obd-codes.com/p0171 Fixing Hesitating Car P0171 Code YouTube P0171 System Too Lean Bank 1

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PO016, PO300, PO420, PO442 codes


your engine is misfiring according to your codes ...4 codes 4 problems
P0300 - Random Cylinder Misfire DetectedP0301 - Cylinder 1 Misfire DetectedP0302 - P0312 Cylinder X Misfire DetectedP0325 - Knock Sensor 1 Circuit (Bank 1)Just showing a few

Oct 23, 2013 | 2003 GMC Envoy

1 Answer

B0455 code in a 2008 gmc envoy


PO 300---Random Misfires detected ,forget that

PO 305---Cylinder #5 Misfire detected

May be a bad Ignition Coil

Don't throw parts at it,have it properly diagnosed

Jun 09, 2012 | 2008 GMC Envoy

1 Answer

P0300 2006 envoy


P0300 indicates random multiple misfire. The engine computer is detecting a misfire on more than one cylinder.

Apr 20, 2012 | 2006 GMC Envoy

1 Answer

2002 gmc sierra p0171 p0174 p0300 oygen sensor and misfire codes


Check for vacuum leaks to start. Then check the evap system. I just replaced a evap vent solenoid on a suburban with the same codes. fixed the problem.

Apr 17, 2011 | 2002 GMC Sierra 1500

1 Answer

2005 gmc envoy fault code P0300


This is a misfire.....Start with the least expensive thing....First thing to try is change your spark plugs to A/C Delco 41-103's. If this doesn't clear the code, you probably have a bad coil which can cost around $70 each.

Jan 04, 2011 | 2005 GMC Envoy

1 Answer

Need info for codes


P0171 System too Lean (Bank 1)
P0300 Random/Multiple Cylinder Misfire Detected
check for vacuum leaks
check fuel for contamination or water
check fuel pressure
the other 2 codes could be related to these 2 codes and are manufacturer specific codes
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Jun 14, 2009 | 1996 Pontiac Grand Am

3 Answers

2001 GMC Jimmy Idling rough


HI
P0300 is multiple misfires.
P0171 is lean burn on left bank 1 means drivers side
02 sensor is faulty. Your vehicle is over fuelling that is why your are getting P0300 code and the rotten egg smell. Good idea is to replace both 02 sensors.

Apr 04, 2009 | 2001 GMC Jimmy

2 Answers

Chevy impala2002


A P0300 code is a random cylinder misfire code and could be caused by a bad plug, plug wire, or fuel injector. The P0171 is bank one o2 sensor is reading lean w/ both of these combined could mean a vacumm leak.. Hope this helps.

Nov 26, 2008 | 2003 Chevrolet Impala

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