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HELP with nonfiero 3800 Gen I by Jonathan
Started on: 06-25-2000 12:17 AM
Replies: 3
Last post by: Jonathan on 06-25-2000 07:19 PM
Jonathan
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Report this Post06-25-2000 12:17 AM Click Here to See the Profile for JonathanClick Here to visit Jonathan's HomePageClick Here to Email JonathanSend a Private Message to JonathanDirect Link to This Post
I need help on a car that I am working on. It is a Buick with the Gen I 3800. Non supercharged. I was preforming a general tune up/ and maintence, and ran into a problem. The engine was idling normally. However, it was low on fuel. It began to stumble, and loose power. I restarted it several times. (The tank still has fuel in it right?? Wrong, bad gage reading) I finally filled it with a couple gallons of fuel. Couldn't get fuel to the fuel rail. Finally got it, after breaking the line at the fuel filter, etc. Now I have fuel at the schrader valve, and it still won't start. I pulled a plug, and connected the spark plug wire, Now I don't have a spark. I can't figure this out. Any one know what fires the 88 buick 3800? Is it a crank trigger? I have no clue on where to go from here. Any help is GREATLY appreciated!
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fierospeeder
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Report this Post06-25-2000 07:37 AM Click Here to See the Profile for fierospeederClick Here to visit fierospeeder's HomePageClick Here to Email fierospeederSend a Private Message to fierospeederDirect Link to This Post
if you have a fuel gauge, check the fuel pressure,

i would get a timing light, and have someone turn the engine while you check all the spark plug wires. The ignition module can go bad and only some of the wires will fire.

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olympic
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Report this Post06-25-2000 07:02 PM Click Here to See the Profile for olympicClick Here to Email olympicSend a Private Message to olympicDirect Link to This Post
It only takes a few seconds without fuel to burn out the electric fuel pump. Definitely chech the fuel pressure first. I never run my cars below 1/4 tank because even though there is fuel in the tank, it can slosh away from the pickup tube under braking or cornering.
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Jonathan
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Report this Post06-25-2000 07:19 PM Click Here to See the Profile for JonathanClick Here to visit Jonathan's HomePageClick Here to Email JonathanSend a Private Message to JonathanDirect Link to This Post
Fuel pressure is ok. I am going to try the timing light on each cylinder wire. To see if any are firing. Sounds like a good way to see if ignition module is bad. Being a $95 part, I don't want to replace it until I'm sure. That sound plausible, when it started messing up it began running as if it were only using a few cylinders. Then nothing. Just way too coincidental for me! Thanks for the help.
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