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2001 Chevy Cavalier WONT START!

Tiny
LSHIVELY1
  • MEMBER
  • 2001 CHEVROLET CAVALIER
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 200,000 MILES
I was driving the car the other day when it died. I coasted over to the side of the road. Gas tank full, battery good, starter good, compression good, car turns over but WONT START!
Wednesday, July 7th, 2010 AT 11:07 AM

10 Replies

Tiny
INTERNETMECHANIC
  • MECHANIC
  • 700 POSTS
Have a helper crank it, while you visually check for spark at the plugs. If you have spark everywhere, use a fuel pressure gage and check fuel pressure. Some of the national brand autostores used to loan out a fuel pressure gage, if you don't have one.
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Wednesday, July 7th, 2010 AT 11:39 AM
Tiny
LSHIVELY1
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  • 5 POSTS
I have good spark and fuel pressure, now what?
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Friday, July 9th, 2010 AT 12:09 PM
Tiny
LSHIVELY1
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  • 5 POSTS
Okay have good spark and good fuel pressure. Have checked all the fuses too. NOW WHAT, HELP PLEASE! This is my only car.
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Friday, July 9th, 2010 AT 12:11 PM
Tiny
INTERNETMECHANIC
  • MECHANIC
  • 700 POSTS
What was the fuel pressure spec? Does the pressure hold with engine off? Is there an injector pulse? Any applicable trouble codes? At the least, you need an obd2 code reader to check codes. Another thought is your security system, passlock, injector disable.
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Friday, July 9th, 2010 AT 12:21 PM
Tiny
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  • 5 POSTS
The computer system in the darn car has never worked so we can't get it to give us any codes whats so ever.
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Friday, July 9th, 2010 AT 1:01 PM
Tiny
INTERNETMECHANIC
  • MECHANIC
  • 700 POSTS
Did you check voltage and grounds at the datalink connector? Pin 16 is voltage, hot all the time, you can use a testlite to check. Pin 16 gets voltage from the cigar fuse. Pins 4 and 5 are grounds. Below is a generic picture of gm obd2 datalink connector.


http://www.2carpros.com/forum/automotive_pictures/512072_gm_obd2_datalink_connector_1.jpg

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Friday, July 9th, 2010 AT 1:24 PM
Tiny
LSHIVELY1
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  • 5 POSTS
Where can I find the datalink connector at? The darn Chiltons book isn't helping me right now. Thanks for your hard work so far.
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Friday, July 9th, 2010 AT 2:30 PM
Tiny
INTERNETMECHANIC
  • MECHANIC
  • 700 POSTS
My info says the datalink connector is under the dash, driver side.


http://www.2carpros.com/forum/automotive_pictures/512072_chevy_cavalier_datalink_connector_location_1.jpg

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Friday, July 9th, 2010 AT 2:40 PM
Tiny
LSHIVELY1
  • MEMBER
  • 5 POSTS
Okay thanks. Went and checked #16 and there was no live juice. So iI opened the fuse panel on the drivers side dash, by the fuse was there. I pulled it and replaced it and still have nothing.
When the car stopped running last Wednesday I had just drove 77 miles, was sitting at the stop light and the light turned green, I pressed on the gas it lerched forward then died. I coasted it over and it hasn't started up since. Had to pay a wrecker to tow it 159 miles to my home.
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Friday, July 9th, 2010 AT 2:54 PM
Tiny
INTERNETMECHANIC
  • MECHANIC
  • 700 POSTS
Did you use a testlite on the cigar fuse circuit? Usually the fuse has a bare spot over each fuse leg, you don't have to pull the fuse, One end of testlite is grounded, the pointed end, you touch to each fuse bare spot, if the lite comes on in both places, the fuse is good and there is voltage. If no voltage, I'll backtrack the circuit.
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Friday, July 9th, 2010 AT 3:06 PM

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