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Cranks, no start - has fuel and good power

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Old Aug 25, 2004 | 08:00 PM
  #1  
Matto'85TA's Avatar
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From: Eastpointe, MI
Car: 2001 Trans Am WS.6, 1985 Trans Am-RIP :,(
Engine: LS1, 305 TPI
Transmission: 4L60E, 700R-4
Cranks, no start - has fuel and good power

I was coming home earlier today and the car stalled while coming off and off ramp. I pulled into a gas station and it cranked but didnt start. I figured it flooded so I let it sit about 10 min then tried again. Still nothing. It cranks, and sounded like it wants to fire, but doesnt. I pulled a plug and let it sit out and watched it as I cranked, no spark. I replaced the cap, coil, and fuel filter. Still nothing. Before this happened I was cruising around 70mph, and the rpms just dropped from 2500 to 500, only for a moment, then it continued as normal. Could that mean something? Its done it couple times already.

I have fuel. It cranks fine. There seems to be no spark.

Can anyone help?
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Old Aug 25, 2004 | 08:09 PM
  #2  
89RsPower!'s Avatar
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Joined: Apr 2002
Posts: 3,552
Likes: 5
From: New Jersey
Car: 86 Corvette, 89 IROC, 1999 TA
Engine: 350, 350, LS1
Transmission: 700r4, 700r4, T-56
Axle/Gears: 3.07, 373, 4.10
ignition module?
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Old Aug 25, 2004 | 09:11 PM
  #3  
Matto'85TA's Avatar
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From: Eastpointe, MI
Car: 2001 Trans Am WS.6, 1985 Trans Am-RIP :,(
Engine: LS1, 305 TPI
Transmission: 4L60E, 700R-4
Where would that be in the car, and how would I check it?

Thanks,

Matt
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Old Aug 25, 2004 | 09:22 PM
  #4  
Trickster's Avatar
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Joined: Sep 2003
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
Originally posted by Matto'85TA
Where would that be in the car, and how would I check it?

Thanks,

Matt
It is under the distributor cap mounted to the base of the distributor and the pick-up coil connects to it, The ignition coil also connects to the back of it. To test it you need to take it to an auto parts store and they will test it for you. If you replace it you will need to make sure you coat the back of it with that special grease or you will fry it in no time.
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Old Aug 25, 2004 | 09:35 PM
  #5  
Matto'85TA's Avatar
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From: Eastpointe, MI
Car: 2001 Trans Am WS.6, 1985 Trans Am-RIP :,(
Engine: LS1, 305 TPI
Transmission: 4L60E, 700R-4
Hmm, is it that rubber circle with the spring and carbon rod attached? Cause if thats it I replaced it.

I have the accel super coil mounted on top of the cap. Not the stock distributor. Sorry, I forgot to mention that.

Thanks,

Matt
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Old Aug 25, 2004 | 10:00 PM
  #6  
Trickster's Avatar
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
Originally posted by Matto'85TA
Hmm, is it that rubber circle with the spring and carbon rod attached? Cause if thats it I replaced it.

Thanks,

Matt
Nope, it would be the item circled in this picture.
Attached Thumbnails Cranks, no start - has fuel and good power-ign1.gif  
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Old Aug 25, 2004 | 10:03 PM
  #7  
Matto'85TA's Avatar
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Joined: May 2002
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From: Eastpointe, MI
Car: 2001 Trans Am WS.6, 1985 Trans Am-RIP :,(
Engine: LS1, 305 TPI
Transmission: 4L60E, 700R-4
Ah I see. I will check that tomarrow after my classes.

Thanks a lot!

Matt
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Old Aug 25, 2004 | 11:47 PM
  #8  
Trickster's Avatar
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Joined: Sep 2003
Posts: 6,127
Likes: 12
From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
You're welcome!!!!!!!!!
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Old Aug 26, 2004 | 04:05 PM
  #9  
Matto'85TA's Avatar
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From: Eastpointe, MI
Car: 2001 Trans Am WS.6, 1985 Trans Am-RIP :,(
Engine: LS1, 305 TPI
Transmission: 4L60E, 700R-4
Fixed it. It was the ignition module. Turned right over after I put it in.
Thanks for the help.

Matt
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Old Aug 26, 2004 | 04:09 PM
  #10  
RB83L69's Avatar
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Joined: Jul 1999
Posts: 18,457
Likes: 16
From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Happened to me, as it routinely does, just a couple of weeks ago.... just kind of driving down the road, suddenly, no engine power. I look down at the tach, reads zero (6-speed, in gear, I can hear the engine turning). Hmmmmm.... this is about the 3rd time in this car, and idon't know how many times in my other cars. Getting to be so ordinary, I don't even have to troubleshoot it; I just walked home, got another car, bought a module, changed it out, fired right back up.

This car does it about every 120,000-150,000 miles. Like I said, this is at least twice, maybe 3 times, in this car. What a pain. I hate having to open the hood all the time.
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