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No start condition - no spark, no codes

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Old Aug 14, 2007 | 08:17 PM
  #1  
scolstonp's Avatar
scolstonp
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Default No start condition - no spark, no codes

Hope some one can help!
I picked up a 86', 2.5 L. It has no spark and I have check for continuity on all related wiring with positive results. My OBDII tester shows no codes present (battery removed)

Cam sensor is in the distributor (hall effect) along with a power transistor. No coil pack.

First, I know I need a better OBDII testerthat can sense the state of the Crank sensor and cam sensor but if I had the bucks for that I could pay to have it fixed. But then again, what fun would that be.
Only clue I can provide is: The car had one plug wire shorting out to ground when it stopped running according to the previous owner. It was easy to confirm that.

Question,
crank sensor (available)
or
Cam Sensor (might have to buy the module,because I have not found one)
or
power transistor / (same as above)
Thanks in advance for your help.
 
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Old Aug 14, 2007 | 08:28 PM
  #2  
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bad venge
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Default RE: No start condition - no spark, no codes

first off there was no 86 .... I'm guessing you typoed and it's a 96...
second is do you here the fuel pump running ???
 
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Old Aug 14, 2007 | 09:25 PM
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Default RE: No start condition - no spark, no codes

correct on the 96, sorry. yes the fuel pump is running. with proper presure. You thinking the PCM turing off the spark for a fuel problem?
 
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Old Aug 14, 2007 | 09:37 PM
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bad venge
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Default RE: No start condition - no spark, no codes

I was thinking relay troubles ....
 
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Old Aug 18, 2007 | 10:23 AM
  #5  
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Default RE: No start condition - no spark, no codes

Back on it again this afternoon. I will keep you posted. Thanks for the input.
 
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Old Aug 18, 2007 | 09:20 PM
  #6  
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bad venge
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Default RE: No start condition - no spark, no codes

Also I posted cps testing procedure
 
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Old Aug 18, 2007 | 10:35 PM
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Default RE: No start condition - no spark, no codes

If I were you I'd replace the Crank Positioning Sensor. My car was running like crap too until i switched it. It ran me about 80 bucks from my local part store.
 
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Old Aug 19, 2007 | 08:08 AM
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Default RE: No start condition - no spark, no codes

BV did a good how-to on checking the CPS. I would suggest that first before buying one.
The CPS is a likely and common issue, but not always the culprit
 
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Old Aug 19, 2007 | 01:54 PM
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Default RE: No start condition - no spark, no codes

I'd also check the relays ...
 
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