Question about 2001 Saturn SL

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No fire no fuel

Im a tech that works for ertle bros discount auto in sterling co and ive never had my *** woop by a car in a long time but this 2001 saturn sl has just about done it to break it all down ive went through this whole car ignmodule/coil/bcm/pcm/crank sensor/tried relearn process/tech2 scantool the bcm responsive pcm not but i took the pcm out put into another car and with out reprogramming it it fired the other car up so theres got to be a problem in the harrness what am i over looking

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You mentioned the harness, which is a good place to look. First, I would check the grounds from the control modules. If you're showing outrageously hi or low values, then I would still suspect the module, even though it worked in the other car. Try checking the battery. Maybe there's a short within the battery plates. It's a long-shot, but an easy problem to rule out.

When I would get my *** whooped by a problem, I would step back and start from the beginning. Take a deep breath. Good luck and I hope you solve the problem. I'm sorry I don't have the magic answer for ya.

Posted on Aug 23, 2008

Testimonial: "thank for ur help did find problem blown pcm fuse do t grounded out harness wires"


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what engine Shawn. ? how can we guess that?
besides following the FSM steps, we could:
ive rebuilt many engines (done many from scratch) +machine work.

1: I check compression 1st. on all cylinders. (i put oil in the cyl, 1 teaspoon) (some pros run oil gallery primers pumps first in pro rebuild shops) i just crank the zero fuel engine until i see max oil pressure.)

oops. ? no oil pressure, oops, compression bad. on 1 jug.
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3: ok , I got top end oil, got 150psi on all jugs. (hard work pay back)

4: i check for spark all cyl. it's strong, & out comes the timing light.
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i repeat this say 3 times, listening carefully for noises, that are not good. (why start the engine and watch it blow up. )
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injectors ,click cranking ?(stethoscope tool $5)
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why do this , with pump dead.
Answer to not wreck your new rings, all washed free of all oil buy
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its your hard labor, 50 hours? to build and engine?
wana waste all that? nah.
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ive never burned up a new engine, yet,
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jeep ways!
I kill my pump by pulling the pump feed wire.
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