No spark or fuel - Team Camaro Tech
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post #1 of 7 (permalink) Old Jun 12th, 10, 05:28 AM Thread Starter
Lance
 
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No spark or fuel

I'm having a little problem. My sons 93 V6 will crank over,but won't start. We have no spark and no fuel at the plugs, but we have fuel at the fuel rail. I had the engine control module checked and it's fine. My next guess is the crankshaft position sensors. There are two, does one seem to go out more that the other. I don't have a code reader, so it's a guess. Any help would be great.
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post #2 of 7 (permalink) Old Jun 12th, 10, 07:58 AM
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Re: No spark or fuel

You can rent a code reader from Advance Auto by forking over your drvr's license and retrieve the codes. More than likely, I believe it would be the crank sensor.

A Haynes manual is better than not having anything. Also at Advance Auto.

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post #3 of 7 (permalink) Old Jun 12th, 10, 08:12 AM Thread Starter
Lance
 
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Re: No spark or fuel

Thanks, I'll try Advanced
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post #4 of 7 (permalink) Old Jun 12th, 10, 09:32 AM
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Re: No spark or fuel

On a 93 will a code reader help? The car is not OBD II, so the cheap code reader from advance probably isn't going to have the correct plug.
Is there some wire to jumper or a way to get the check engine light to flash the code?
But the Haynes will tell you how to do that?
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post #5 of 7 (permalink) Old Jun 12th, 10, 09:55 AM
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Re: No spark or fuel

I dont know if a 91 chevy truck 5.7 is the same but I had the same problem. It was the distributor module. It would not let the fuel pump run when you tried to start it. You could turn the key on and get fuel pressure but when cranking no fuel pressure. You could put fuel down the throttle body and it would try to run.

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post #6 of 7 (permalink) Old Jun 12th, 10, 04:00 PM
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Re: No spark or fuel

Brain fade, OBD II started '96 for some, '95 for others. A trapezoid connector shape is OBD II, OBD I is rectanglar.
OBD I is short Pin A to B and turn key to IGN
Count the flashes of SES light, exam. flash space flash flash is 12, ECM is good.
First set of flashes is the tens number, second flashes is the ones number
another example = f-f-f space f-f-f-f is 34.
Code reading will go through the list, then rerun, starts with 12, then other codes.
Only way to erase cosdes is the remove both ECm fuses or battery cable - check radio security before killing battery power if equipped with security radio, OE and aftermarket.

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post #7 of 7 (permalink) Old Jun 12th, 10, 09:54 PM
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Re: No spark or fuel

Sounds like a possible crank shaft or cam shaft sensor failure. On that area of car, the cam sensor was likely the ignition module itself.

Dave
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