Question about 2004 Chevrolet TrailBlazer

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2003 trailblazer 5.3 no fire change cam & crank sensor

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  • Leonard Warrior Feb 24, 2012

    has 8 coils fuse good brought new ecm still no fire

  • Leonard Warrior Feb 24, 2012

    Does anyone have engine control wiring diagram for this 2003 Trailblazer 5.3L

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  • 379 Answers

If its got no fire and you changed your cam and crank sensor try replacing the ignition Coil then if it doesn't work replace the distributor cap and spark plugs and wires if that doesn't work then take the distributor cap off and replace the distributor Rotor if it still doesn't work replace the wires to the rotor if still i dosent work check your fuses but i assure you that should fix it.

Posted on Feb 24, 2012

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Posted on Jan 02, 2017

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iambanshee74
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SOURCE: no 5&4 injector dont work

If only 2 injectors will not operate, I would start by swapping the 2 injectors to another location and see if the problem persists. If it does, replace the injectors. If it continues on those specific cylinders, replace the ECU (engine control module). The ECU is what contains the "drivers" for the coils and injectors otherwise known as the ground circuit which is signaled by the CPS which you indicated you have already changed. Let me know what else I can do for you.

Posted on Feb 16, 2011

  • 30 Answers

SOURCE: 2002 Chevy Trailblazer Engine Codes

This is actually an easy swap out. Remove the electrical connection, remove the retaining bolt and pull out old one. I believe the sensor is located in the front passenger side of the engine on this particular model.

Posted on Aug 16, 2008

  • 37 Answers

SOURCE: not getting any fire

I know you may have already check this but have you looked at the ign fuse in the fuse box on drivers side dash panel and fuses in the fuse box under the hood

Posted on May 27, 2009

  • 811 Answers

SOURCE: me 1996 gm 3.1 v6 will not start just back fires

check timing belt

Posted on Sep 20, 2009

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P0014 Diagnostic code, already replaced camshaft actuator & oil twice


code p0014 - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum

forums.trailvoy.com > ... > OEM Issues

Sep 8, 2007 - 11 posts - ‎8 authors
On my Trailblazer I have a code P0014 . this says Camshaft Position Actuator B ... If the desired and actual cam phase angle error exceeds its ... This diagnostic procedure supports the following DTC: ... replace the camshaft actuator solenoid, change the engine oil and filter, ... 2004 Chevy TrailBlazer LT P0014 - Camshaft Position Actuator Solenoid "Relearn"
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Tech Code "dtc P0014" 2003 Trailblazer - Chevy S-10/Blazer ...

www.gm-trucks.com/.../72278-tech-code-dtc-p0014-2003-trailblazer/

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Tech Code "dtc P0014" 2003 Trailblazer - posted in Chevy ... it had been serviced before for the same thing in 2003 or 2004! ... replace the camshaft actuator solenoid, change the engine oil and .... The extended war. co. prob. would not be to happy since they already fixed the sensor once or twice already.

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1 Answer

I have a Chevy trailblazer 2003. I changed the fuel pump and camshaft sensor crank sensor what can it be still wont start


Why did you replace the cam sensor? Blazers have this problem with cams...It's not the cams. but the cam slack adjuster/ or guides. Major job.

Oct 04, 2014 | 2003 Chevrolet TrailBlazer

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Crank & cam sensors have nothing whatsoever to do with cranking. Check battery, starter, or Ing. switch.

Jul 27, 2014 | 2003 Nissan Altima

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2003 trailblazer misfiring and idling low i can't even turn my heat or air on when setting still or it want die we had it checked with the sessions light at advance auto parts read cylinder 2 mis fire and...


Your checking for codes & throwing parts at it

Your NOT diagnosing anything like the cylinder
misfires, because you don't have OBD2 System
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on it, or Chevy Trailblazer Powertrain experience

Best left to a repair shop

Mar 10, 2014 | 2003 Chevrolet TrailBlazer

1 Answer

2003 trailblazer service engine soon light .code po301 number 1 cylinder misfire,code po014 cam phase eeror


you may need to replace the cam and crank sensor at the same time.some vehicles use these two together to communicate with the computer.

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1 Answer

2003 vibe will not start


Do you know what Camshaft Actuator System is ?
The standard compression pressure is 1,400 kPa (203 psi).
The camshaft position (CMP) actuator system enables the powertrain control module (PCM) to change camshaft timing while the engine is running. The CMP actuator assembly (5) varies camshaft position in response to directional changes in oil pressure. The CMP actuator solenoid valve controls the oil pressure that is applied to advance or retard the camshaft. Modifying camshaft timing under changing engine demand provides better balance between the following performance concerns:
• Engine power output
• Fuel economy
• Lower tailpipe emissions
The CMP actuator solenoid valve (3) is controlled by the PCM. The crankshaft position (CKP) sensor (4) and the CMP sensor (1) are used to monitor changes in camshaft position. The PCM uses information from the following sensors in order to calculate the desired camshaft position:
• The engine coolant temperature (ECT) sensor
• The mass air flow (MAF) sensor
• The throttle position (TP) sensor
• The vehicle speed sensor (VSS)

This mite be something to look at , Is cam timing advanced or retarded . The ) CMP Actuator Assembly !

Mar 22, 2017 | 2003 Pontiac Vibe

1 Answer

Engine not firing after replacing cylinder head


Change the crank/cam sensor and it will work.

Feb 25, 2012 | 2004 Chevrolet TrailBlazer

2 Answers

2003 pt cruiser sensors


check the battery and make sure it has a fully charge,also check to make sure the start motor pinion is not jammed in the flywheel, and check the coil pack to make sure have spark.also check the crank sensor

Feb 14, 2009 | 2003 Chrysler PT Cruiser

1 Answer

2003 caravan will not start!!!


Hi..
On your problem with the Caravan.

If you Have replaced the Crank and Cam sensors. And the Code Cam/Crank Correlation sensor.
Is found.
Normally this code is present When the Timing belt or Timing Chain, Is out of time 1 or more dents
On the timing due to Skip of the timing belt or Chain.

But don't forget check the connector at the sensors. For any damaged or corrosion on the pins.
Ok.. I hope this help to try diagnostic your car.

Thank you for use fixya.

Nov 03, 2008 | 2003 Dodge Caravan

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