Question about 1996 Chevrolet Blazer

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These codes for 1996 chevy blazer v6 p0171,p0174,p0101,p03000

Only starts with starting fluid, after trip to store wont start for awhile.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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tommyboinow
  • 324 Answers

SOURCE: 2002 chevy Blazer hard starting

replace the fuel injectors, that is the likely cause......

to test the injector, take the power clip off the top of the injector, take one wire and ground it to the body of the car, and another form the battery, to the other post on the injector, if you do not hear a pulsing sound coming from the injector it is bad, if you do, then you have a wiring problem.

Posted on Nov 26, 2008

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  • 6 Answers

SOURCE: codes p171 and p0174 on a chevy truck?

Subject: 97-05 Vehicles with 4.8 5.3 5.7 and 6.0 Gen III V8 Engines and Misfires on One Bank - kw CEL diagnostics driveability DTC P0171 P0172 P0174 P0175 P0300 P0301 P0302 P0303 P0304 P0305 P0306 P0307 P0308 #PIP3056 - (07/12/2004)

Models: (00-05 Cadillac Escalade - C6 and K6) and (02-05 Chevrolet Avalanche - C1, C2 K1 and K2) and (99-05 Chevrolet Silverado - C1, C2 K1 and K2) and (00-05 Chevrolet Suburban - C1, C2, K1 and K2) and (00-05 Chevrolet Tahoe - C1 and K1) and (99-05 GMC Sierra C1, C2 K1 and K2) and (00-05 GMC Yukon - C1, C2, K1 and K2) and (03-05 Chevrolet Express G1, G2, G3, H1, H2 ) and (03-05 GMC Savana G1, G2, G3, H1, H2 ) and (04-05 Buick Rainier S1, T1 ) and (03-05 Chevrolet Trail Blazer EXT S1, T1 ) and (03-05 GMC Envoy XL XUV S1, T1 ) and (03-05 Hummer H2) and (04-05 Cadillac CTS-V DB) and (98-02 Chevrolet Camaro FB) and (97-04 Chevrolet Corvette YB) and (98-02 Pontiac Firebird FB) and (04-05 Pontiac GTO VB)

The following diagnosis might be helpful if the vehicle exhibits the described symptoms.

Condition/Concern:
Check Engine Light with a P0300 due to 2 - 4 cylinders misfiring on the same bank of the engine. DTCs P0171, P0172, P0174 or P0175 may also set for the misfiring bank.

Recommendation/Instructions:
If the published misfire diagnostic does not isolate the cause, perform the following suggestions as necessary:

  • Perform a fuel injector balance test for all 8 cylinders. If a fuel injector concern exists, it is possible to misfuel an entire bank of the engine, causing multiple cylinders on the same bank to misfire even though the root cause is a single fuel injector.
  • Inspect O2 sensor connections on the misfiring bank for corrosion or water intrusion. If water intrusion is found on the right bank, it may be due to the AC Evaporator Condensation dripping onto the O2 sensor harness. If this condition is found, reposition and shield the harness to prevent a repeat concern and repair the connections.
  • Check for excessive exhaust backpressure using the restricted exhaust diagnosis.
  • Swap the Position 1 O2 sensors side to side to see if the misfires move to the other bank of the engine. If so, replace the O2 sensor.
Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

NOTE: GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition.

Posted on Sep 30, 2009

  • 3 Answers

SOURCE: 1996 chevy 1500 pickup 4.3L vortec.v6 .wont start

I had a problem with fuel pressure due to a bad ground ******** the back of the engine block. This ground connects the battery to the frame through the engine block. The fuel pump is grounded to frame near the gas tank so it needs this ground strap. I live in NY where the salt corrodes the strap in about 10 years.

Posted on Oct 04, 2009

  • 1129 Answers

SOURCE: codes P0171, P0174, P0440

This is usually an oxygen sensor, replace the O2 sensor located above the catalytic converter before replacing the evaporator purge canister.

Posted on Dec 29, 2009

roniecon
  • 6826 Answers

SOURCE: what do these trouble codes mean p0171 and p0174

po171 is system too lean,bank 1,po174,is system too lean,bank 2,It sounds like a fuel pressure problem.

Posted on Jan 05, 2010

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My daughter has a 2006 sonata v6 it threw 8 codes p0171-p0174 and p2187-p2190. it was starting by spraying starting fluid I changed the fuel pump, evap purgevalve,plugs,mafsensor,crank sensor,


Yea , what's your question ? Doesn't start an run , only when you spray starting fluid into the engine ? You do or don't know what lean codes are ? Did you check the electrical circuit for fuel pump . Amperage draw test etc.... Check fuel pump relay ! Videos on youtube testing fuel pump electrical circuit . Did you change fuel filter ?

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Jan 04, 2016 | Cars & Trucks

1 Answer

Chevy Silverado error p1151


P1151 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2


p1131 p1151 p0171 p0174 p1131 p1151 p0171 p0174
All of these p1131 p1151 p0171 p0174 codes indicate a problem with a lean condition. This engine is known for vacuum leaks, so before you start throwing oxygen sensors at the problem, it pays to perform some diagnostics.
Start by cleaning the MAF sensor. Spray the sensor with CRC MAF sensor cleaner. Next, check the plastic vacuum lines, especially where they meet with rubber boots. If they are cracked or the rubber is swollen, replace the line. Then check the rubber elbow that holds the PCV valve. That elbow is a know failure point. In fact, the entire PCV tubing is a trouble spot on these engines. (thanks Ford).
After you've checked for vacuum leaks, check the operation of the oxygen sensors. The easiest way to do that is to disconnect the sensor from the harness. Connect one lead of your digital voltmeter to the black wire on the sensor and the other lead to battery negative. Then start the engine and add fuel (either propane, starting fluid, or carb cleaner) into the throttle body to force the mixture to rich. You should see a corresponding increase in voltage as you add fuel (from 0 volts to slightly less than 1 volt). Start and stop the fuel enrichment and watch the meter to see if the volts drop as you stop adding fuel. If you see no change, the sensor is dead. Replace it.
You can also use the fuel enrichment procedure to locate intake gasket leaks.
P1131 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 1
P1151P1151 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2
P0174 system lean bank 2
P0171 system lean bank 1


This is the only info that didn't come back directly to FORD (yet still mentions it) instead of GM. Not to sure you got the correct code.

Jul 08, 2014 | 1999 Chevrolet Silverado 1500

1 Answer

1999 GMC Suburban 5.7l Poor acceleration and runs rough.


seems that your mass airflow sensor has failed. it's located between your air filter and your throttle body, and looks like a short plastic tube with a small module and a three or four wire connector on it. start with the classic "screwdriver test". start the engine and lightly tap the plastic tube with the plastic handle of a screwdriver. not too hard, but hard enough to let it know that its being tapped. if the motor reacts to the tap, the sensor is bad and needs to be replaced. the p0101 code is enough reason to replace it, but we mechanics like to whack them every now and then. :)

Mar 06, 2013 | 1999 GMC Suburban

1 Answer

2004 Cadillac DTS engine codes P0171 & P0174


thier is a 1inch round rubber connector between the plentum and the throttle body it has a big round clamp on it start the car and spray starting fluid around that rubber and i gurantee you your engine rav up that mean thier is a crack in that hose it is easy to replace cadillac are famous for that hose to crack and make your cadillac run like ****

Sep 14, 2012 | Cars & Trucks

1 Answer

2004 x-type 3.0 v6 152,000 miles showed codes P0171, P0174, P2096, P2098, P0101, P0171 pd, P1000.


check for vacuum leaks or a faulty mass air flow sensor. all the codes have to do with engine too lean(too much air).

Jun 09, 2012 | Cars & Trucks

2 Answers

What are these codes and how do I fix them? P0101 P0171 P0174


  • P0101 - Mass Air Flow (MAF) Sensor Performance
  • P0171 - Fuel Trim System Lean Bank 1
  • P0174 - Fuel Trim System Lean Bank 2
  • Would start with the mass air flow sensor the other two codes may have been triggered by the performance of the MAF sensor. Is the vehicle running poorly or have high or low idle?

    Nov 03, 2010 | 2004 Chevrolet Tahoe

    1 Answer

    What do these trouble codes mean p0171 and p0174


    po171 is system too lean,bank 1,po174,is system too lean,bank 2,It sounds like a fuel pressure problem.

    Jan 05, 2010 | 2000 Chevrolet Blazer

    1 Answer

    Puledl up codes p0171 and p0174. i know there is an


    The easyiest way is to go to alldatadiy.com and look at it there.

    Sep 10, 2009 | 1996 Chevrolet C1500

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