never cranks on first attempt - 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 06-04-2006, 11:07 AM   #1
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Default never cranks on first attempt

after my car has sit all night when I go to crank her up she never turns over on the first try. she just coughs a little and then when I do turn the switch again she cranks right up. I've cleaned the throttle body but to no avail. not really a problem (i don't think) but I want to see what I can do to get my baby to crank as soon as I put the key in the ignition.
180,000 miles
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Old 06-04-2006, 11:15 AM   #2
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Try turning the ignition on and waiting for a couple seconds. Then crank. It might start.

You're showing signs of classic fuel pump failure, which shouldn't be a surprise considering the age.

Check your fuel pressure. at the rail.
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Old 06-04-2006, 11:34 AM   #3
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thanx willwren
couple of questions.
Is a fuel pump a do it yourself job?
I also have the problem where when I make a
right turn my check gauges light comes on if I'm at 1/4 of a tank.
Are these two related?
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Old 06-04-2006, 11:40 AM   #4
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I found your post confusing. I've always considered 'cranking' to be the starter rotating the motor. Are you saying the motor is 'turning over' but not starting?
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Old 06-04-2006, 11:42 AM   #5
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92 fuel tanks have inferior baffling that can cause that problem. If you were a little lower on fuel, it would try to stall in a turn. An old plugged up strainer assembly on your pump can make this work.

Changing the fuel pump can be a DIY job, but it'* VERY difficult with only one person. Ideally you should have 3 people when the tank comes out and goes back in. It should make it alot easier.

A couple of us have done this solo, but it'* not fun. Please check your fuel pressure first, and if it'* bad, consider getting a fuel tank from a wrecker from a 93 or newer, then move your sending unit over to it and install a new pump before installing the donor tank. 93 and newer didn't have the baffling problems.

My FP swap:
http://www.bonnevilleclub.com/forum/...ic.php?t=42104
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Old 06-04-2006, 11:43 AM   #6
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Quote:
Originally Posted by strongsun1
thanx willwren
couple of questions.
Is a fuel pump a do it yourself job?
I also have the problem where when I make a
right turn my check gauges light comes on if I'm at 1/4 of a tank.
Are these two related?
in the year 92 there was a problem with the baffles in the gas tank. This caused wacky readings on the gas gague and sometimes causing the car to stall in turns

The check gagues is prolly related to the baffels in the tank. the car is thinking that it is low on fuel and illuminating the Check gagues light in the dash
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Old 06-04-2006, 11:43 AM   #7
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Quote:
Originally Posted by Technical Ted
I found your post confusing. I've always considered 'cranking' to be the starter rotating the motor. Are you saying the motor is 'turning over' but not starting?
I translated his 'coughing' comment as it actually TURNS but doesn't fire. But that'* a very good question to clarify.
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Old 06-04-2006, 12:20 PM   #8
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Honestly. A fuel pump is a pretty easy thing unless the tank is full. Then it'* simply a lot of weight.

I jack the vehicle and support at drip edge (where you'd jack to change a tire).
Drop exhaust..2 bolts.
Disconnect electrical connector to tank
Disconnect quick connects for fuel and evap lines (might be after tank has started down for some older models)
Undo the hoses at the filler end (more hose to keep any excess fuel in)
Support tank in middle with floor jack that has flat board on it to distribute weight.
Undo strap bolts. (if bolt'* don't come undone, cut straps, new are only $30 for both at most)
Lower tank and sneak past e-brake cable.

Remove sender and replace pump. Reassemble.
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Old 06-04-2006, 12:38 PM   #9
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Don't forget the cleaning before pulling the sender, after pulling the sender, and a new tank seal.
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Old 06-04-2006, 01:14 PM   #10
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thanx for the info guys.
to clarify when i first turn the key everything sounds like its turning over but does not start. on 2nd attempt it always cranks right up and will not have a problem at all untill the next morning. I did a fuel pressure test at the fp regulator but my tester only test the vacum line because i don't have the schrader valve connection. @ the vacum line it reads fp is fine.
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