94 BVille starts fine than dies (FIXED) - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 07-06-2007, 10:54 PM   #11
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First thanks Ted for the help with the acronyms. Last time I wrenched the HEI and the $20 Control module was all I had to worry about.

Ok turned key on/off several times to pressurize fuel rail. Pushed valve and gas came out under pressure (not much gas or pressure)

Started car and let it die, depressed valve and no measurable gas came out.

I notice there are 2 different fuel pumps for my car. One is for CAC and 1 is CRC (stamped on sender)

The CRC one is for 94-99 BVilles
the CAC is 93-94

Since my car was MFG in 01/94 do you think I have a better chance ordering the CAC pump?
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Old 07-07-2007, 12:05 AM   #12
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Call the dealer and give them your VIN, they'll tell you which you need.
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Old 07-07-2007, 12:37 AM   #13
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I hate to see you buy a fuel pump without 1st checking the pressure with a gauge.
Let'* do another quick test. After the engine stalls pull off the vacuum line that goes to the fuel pressure regulator & see if there'* any fuel in the line.
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Old 07-07-2007, 01:23 AM   #14
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good idea Will. I am just gonna have to try and get under the car tomorrow and remove the tank and the filter.

Ted: pulled the vac hose off the pressure reg. and fuel in line. After it dies no pressure and no volume of gas exits the schrader valve when depressed.

It seems to be getting worse, now it only runs for a sec or 2.
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Old 07-07-2007, 06:38 PM   #15
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My oil pressure is reading fine (so i am thinking the oil pressure switch isant shutting off the fuel pump) so I am going out to drop the tank.

If it turns out to be the pump anyone have any recommendaitons on a replacement? My options are
Master
Carter
Bosch
GM
external (worth the trouble?)

How about the Fuel filter
Fram
Purolater
Wix (my personal favorite)
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Old 07-07-2007, 06:43 PM   #16
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Hang on - I misread previous post. If you’re getting fuel in the vacuum line to the fuel pressure regulator than that'* what needs to be changed.
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Old 07-07-2007, 06:45 PM   #17
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Hey Ted, sorry sometimes I have a hard time explaining stuff. No there is no fuel in the vac line.

After the car dies I depress the schrader valve on the fuel rail and no gas comes out
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Old 07-07-2007, 06:49 PM   #18
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OK - I'm having trouble with the fact that you have enough pressure to start but not idle.
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Old 07-07-2007, 07:35 PM   #19
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Sounds alot like a clogged filter or strainer. Since you'll be replacing the filter anyways, try a new one (non-fram) and see what happens.
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Old 07-09-2007, 01:02 PM   #20
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Quote:
Originally Posted by popatim
Sounds alot like a clogged filter or strainer. Since you'll be replacing the filter anyways, try a new one (non-fram) and see what happens.
I just dropped the tank to check the strainer and filter, Both nice. I was hoping to see a bunch of junk plugging the strainer but it looks clean.

Quote:
Originally Posted by Technical Ted
OK - I'm having trouble with the fact that you have enough pressure to start but not idle.
It idles fine (just for about a few seconds till it dies).
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