Question about 2003 Chevrolet Silverado 2500HD

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Doesn't want to start. Has fuel to intake injectors. Does not seem to have spark

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  • Curt Chastain
    Curt Chastain Aug 01, 2010

    It doesn't have spark. and there are no codes

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  • 36 Answers

Crank angle sensor or coil pack

Posted on Aug 01, 2010

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1 Answer

2000 nissan frontier 3.3 v6 , put new fuel pump in , new distrubutor, new spark plugs, won't start ?


You seem to of covered most bases but are all of the things (air/ gas/ spark getting to the engine at the right time in the right amounts. FUEL PRESSURE? FUEL INJECTORS FIRING AT THE RIGHT TIME? SPARKING ? AT THE RIGHT TIME? PROPER AIR INTAKE (EMISSIONS?) You have may have to look into cam & crank sensors.

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94 s10 doesn't seem to be getting fuel what makes injector s pulse?


Injectors pulse when fuel pressure is sensed and the cam possition sensor indactes its time to load the intake stroke with fuel for that cylinder.

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Kia optima hesitant acceleration


could be spark plugs, dirty fuel filter, air filter, Mass Air Flow Sensor. bad spark plug wires. Dirty throttle body or injectors. I would start with the cheapest and work my way to the more expensive things if it doesn't improve.

Jul 23, 2012 | 2003 Kia Optima

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Started engine and was running rough Check engine lamp came on Used code reader and found code p0306 Remove plugs Compression test no.6 was 175 and the rest were 150 replaced spark plugs and retry Still...


You've done a great job of trouble shooting thus far. I would certainly suspect the injector after all of that. But, I didn't see anything about you replacing the spark plug itself. I would try that first as a crack in the insulator (even hairline) will cause mis-fires. If the spark plug doesn't fix the mis-fire, it cold be caused by a bad fuel injector, bad signal (like a loose harness or bad wire) to the fuel injector, or a leak or valve issue on that cylinder.

Nov 25, 2011 | 1994 Ford Mustang

1 Answer

Van turn off


Check for spark in order to see if the engine's ignition system is working.
Add starting fluid to the intake to see if it starts for a few seconds.
If the car does start, then it's a fuel delivery problem such as a fuel pump or a computer that doesn't allow fuel injectors to pulse.

If it doesn't start, then the spark is likely not being delivered to the spark plugs.
One can double check this by using a spark tester for the spark plug boot removed from the spark plug and grounded to the chassis.

Nov 15, 2011 | 1997 Honda Accord

1 Answer

Blazer 1999 won't start got spark new fuel pump


Pull off one injector connector and use a test light or voltmeter to see if one wire has power with key on.
Power to the injectors is fed through the ignition switch, so with key on, you should have power there. The injector ground is inside the ECM. If you have power, you'll have to diagnose the circuit for why computer doesn't ground the circuit when it should.

Nov 06, 2011 | 1999 Chevrolet Blazer

1 Answer

Giving a 300 and a 301 code where do i start sounds fine when started and then when you put in gear it start misfiring


P0300 - Random / Multiple Cylinder Misfire Detected

Possible Causes:
- Improper spark plug
- Insufficient compression
- Incorrect fuel pressure
- The injector circuit is open or shorted
- Fuel injectors may be faulty
- Intake air leak

Possible Solutions:
- Perform Injector Service
- Replaced Spark Plugs
- Replaced Injectors
- Replaced Ignition Coils

P0301- Cylinder Number 1 Misfire Detected

Possible Causes:
- Improper spark plug at cylinder #1
- Insufficient compression at cylinder #1
- Incorrect fuel pressure
- The injector circuit is open or shorted at cylinder #1
- Fuel injector #1 may be faulty
- Intake air leak at cylinder

Possible Solutions:
- Perform Injector Service
- Replaced Spark Plug #1
- Replaced Injector #1
- Replaced Ignition Coil #1

Most likely your issue is with cylinder number 1. Follow the info I have provided and you should be able to solve this issue.

Jan 14, 2011 | 2002 Toyota Tacoma

1 Answer

I have fuel pressure to my injection unit and spark, ive replaced my fuel pump, filter. nothin. it cranks but no start unless i pour fuel into my intake, it starts runs then dies.


If the fuel is poured into the intake and it starts and dies, then it tells me that the fuel injectors may not be firing. This is controlled by the computer.

Do the injectors click when a stethoscope is placed on the injector?

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Toyota ceilca 2000 gts will not start


try reseting the alarm,maybe all thats needed.....

May 01, 2010 | 2000 Toyota Celica

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