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5/2/18 7:21pm - Original Message: ''82 Collector Edition Crossfire starts and dies.'
terntes
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Little Rock, AR - USA

Vette(s):
1982 Collector Edition

Joined: 7/10/2007
Posts: 123
Been so long since I was here, I still recognize a few names. My '82 crossfire is still my main drive. Since last post 6 years ago lots of improvements and still going strong; until today! Starts and dies, starts and dies. Got it to start and revved real good for awhile, then it dies. Crossfires are pumping good, just won't keep running. Please, any suggestions?
terntes
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5/2/18 9:28pm - Reply: 'Re: '82 Collector Edition Crossfire starts and dies.'
73shark
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Overland Park, KS - USA

Vette(s):
1973 Orange Metallic Coupe (orig owner), L82, 4 spd (WR), PS, (A/C & PW (I installed from wrecked 73)), leather, AM/FM Stereo, ran with '65 FI unit earlier & will again some day.

Joined: 7/9/2003
Posts: 493
First off have you made any changes recently? The engine requires 3 things to run, fuel, air, and spark. Air is the easiest to check by just looking at the filter and making sure that it's not clogged. While I'm not familiar with the Crossfire system, I believe you can hook a fuel pressure gauge up to a Schrader port. There's a couple of ways to check for your spark. One would be to put a inductive pickup timing light and see if it triggers the light. Another is to put one of those spark checkers in series with a spark plug.

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1973 L-82 4 spd

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5/2/18 9:58pm - Reply: 'Re: '82 Collector Edition Crossfire starts and dies.'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19531
Low fuel pressure, or a large vacuum leak would be my first thoughts. Also possible the idle air control valve is stuck. Does the check engine light come on?



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5/3/18 1:10pm - Reply: 'Re: '82 Collector Edition Crossfire starts and dies.'
terntes
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Little Rock, AR - USA

Vette(s):
1982 Collector Edition

Joined: 7/10/2007
Posts: 123
I am not familiar with the idle air valve, I will check that next.

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5/3/18 1:19pm - Reply: 'Re: '82 Collector Edition Crossfire starts and dies.'
terntes
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Little Rock, AR - USA

Vette(s):
1982 Collector Edition

Joined: 7/10/2007
Posts: 123
My car has been running so good I was surprised when it would not start. I do not here the fuel pump but the few seconds it does run the fuel sprays really strong.

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5/3/18 1:46pm - Reply: 'Re: '82 Collector Edition Crossfire starts and dies.'
73shark
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Overland Park, KS - USA

Vette(s):
1973 Orange Metallic Coupe (orig owner), L82, 4 spd (WR), PS, (A/C & PW (I installed from wrecked 73)), leather, AM/FM Stereo, ran with '65 FI unit earlier & will again some day.

Joined: 7/9/2003
Posts: 493
That's why you need to hook a fuel pressure gauge up to the system to make sure that the fuel pump is really strong enough when it has the restriction of the throttle bodies.

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1973 L-82 4 spd

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5/4/18 6:42am - Reply: 'Re: '82 Collector Edition Crossfire starts and dies.'
terntes
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Little Rock, AR - USA

Vette(s):
1982 Collector Edition

Joined: 7/10/2007
Posts: 123
Could be the fuel pump, although I changed to a new aftermarket pump about 30k miles ago. I do not here it pump when I first turn on the key like I used to. It fires and dies instantly, almost like something is shutting down the pump.

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5/4/18 6:48am - Reply: 'Re: '82 Collector Edition Crossfire starts and dies.'
terntes
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Little Rock, AR - USA

Vette(s):
1982 Collector Edition

Joined: 7/10/2007
Posts: 123
I have made changes, but 30k to 40k miles ago. Besides new fuel pump and filter, rebuilt engine, better cam, worked the valves some. Installed serpentine belt system with all new appliances, i.e. ac comp, pump, alt. Have a new 3300cfm electric fan, absolutely no problems running hot.

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5/5/18 2:34pm - Reply: 'Re: '82 Collector Edition Crossfire starts and dies.'
73shark
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Overland Park, KS - USA

Vette(s):
1973 Orange Metallic Coupe (orig owner), L82, 4 spd (WR), PS, (A/C & PW (I installed from wrecked 73)), leather, AM/FM Stereo, ran with '65 FI unit earlier & will again some day.

Joined: 7/9/2003
Posts: 493
terntes said: Could be the fuel pump, although I changed to a new aftermarket pump about 30k miles ago. I do not here it pump when I first turn on the key like I used to. It fires and dies instantly, almost like something is shutting down the pump.



That's why I think you need to get a fuel pressure gauge hooked up to it to tell what's going on with the fuel pump. You can pick one up at Harbor Freight for a decent price.

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1973 L-82 4 spd

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5/8/18 10:15am - Reply: 'Re: '82 Collector Edition Crossfire starts and dies.'
terntes
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Little Rock, AR - USA

Vette(s):
1982 Collector Edition

Joined: 7/10/2007
Posts: 123
  The problem seemed so much like the computer was having problems, the fuel spray was very strong at start up, then just quit, time after time. I went through everything I could think of and finally got back to the fuel pump. I was going to pull it and replace it and I found a lot of corrosion on the connector. I cleaned it and that seemed to solve most of the problem. I started it this morning, after the third try it held and ran just fine, so I drove it to work my normal commute of about 50 miles round trip.
  I can't complain, every thing about the crossfire system on my car is original.
Thanks,


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5/8/18 11:12am - Reply: 'Re: '82 Collector Edition Crossfire starts and dies.'
73shark
Standard Member
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Overland Park, KS - USA

Vette(s):
1973 Orange Metallic Coupe (orig owner), L82, 4 spd (WR), PS, (A/C & PW (I installed from wrecked 73)), leather, AM/FM Stereo, ran with '65 FI unit earlier & will again some day.

Joined: 7/9/2003
Posts: 493
Good to hear that you got it fixed. Thanks for reporting back as it may help someone in the future. It's what makes these forums good sources of info.

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1973 L-82 4 spd

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5/12/18 12:43pm - Reply: 'Re: '82 Collector Edition Crossfire starts and dies.'
terntes
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Little Rock, AR - USA

Vette(s):
1982 Collector Edition

Joined: 7/10/2007
Posts: 123
I am installing a new fuel pump this weekend, regardless. Fuel pumps are not expensive and not hard to install, just insurance I guess.

It is a little difficult to remove and replace, I've done it before several years ago. So, I got the You Tube going for a little video help. Turns out there is also a fuel pump relay I did not know about. Located in forward section of the battery compartment. I hope this has not been my problem all the time. 


|UPDATED|5/12/2018 9:43:13 AM (AZT)|/UPDATED|


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