Question about 2004 Chevrolet TrailBlazer

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04 trailblazer crank no start

Good fuel pres. good spark , fuel in cylenders ,new plugs ,fuel pump and filter.

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Check the timing belt and see if it's missing cogs or even broken and stripped.. that'll do it

Posted on Jan 05, 2009

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Car wont start i have a new battery, new spark plugs and wires


It need to have fuel and sparks to start.
Have you check to see if there is spark after all new parts?
If there is spark, then check if it has fuel.

To check spark, hold 1 spark plug touching engine chasis while cranking, if there is no spark then problem with the coils or ignition module.
To check fuel, after cranking several times but no firing, take out a spark plug to see if it wet.
If it is dry then no fuel. For this, problem could be following in order:
-Fuel filter
-Fuel pump
-Fuel pressure regulator
- Fuel injectors
- Fuel injector module.
Need to go through troubleshooting step by step before changing the parts to correct a problem. Good luck in finding a good mechanic to test before spending money in costly partts replacement.

Sep 23, 2009 | 1995 Honda Civic

2 Answers

Audi 100s 1993 cranks doesn,t start, turns over no start. when it starts runs rough and stalls.


could very well be a faulty sensor, leaky vaccum hose, bad coil packs, needing of new fuel filter, spark plugs, wires.

Have you checked your fuel pressure to make sure it is good. You can do this with fuel pressure tester on the fuel rail.

Also check every cylinder for spark
If you don't have any spark, or very weak spark, you could have bad coil pack, module, or crank sensor.

You can remove one plug at a time, and place it back on plug wire, place it on top of engine block, have someone else turn motor over well you observe to see if there is spark.

Do you have a service or check engine light on? If so, I would have the engine codes read to pinpoint exact problem area.

Let me know if you have any questions or need further help

Aug 26, 2009 | 1993 Audi 100

1 Answer

Crank no start with good spark and fuel pres.


Do you have a good battery? If not, change your battery

Jan 02, 2009 | 2004 Chevrolet TrailBlazer

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