Car dies for unknow reason
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From: cambridge,ontario
Car dies for unknow reason
The car dies while I'm driving, sometimes it will start up before it dies completely.It sometimes happens when I hit the brake pedal. The girlfriend hears a clicking coming from the R/* fuse panel. Any ideas as to what the 
problem might be.
Thanks Bernout
problem might be.Thanks Bernout
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Joined: Apr 2004
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From: Three Oaks, Michigan
If by the R/* Fuse panel, you mean the Relay Panel located behind the glovebox, it sounds like a loose connection to the fuel pump [relay]. Does it die instantly, or click, sputter sputter stall?
Dame has good suggestions, do that, and we can go from there.
I've found the best way to find out if you have a vacuum leak is to unplug the vacuum line that is located hear the Master Cylinder, and see if the car idles funny. One small vacuum leak doesn't make the car idle weird, but two small ones will. Or if you are like me and have a big ol' hole in your intake where the vacuum lines should go, it really screws with your idle
.
-justin
Dame has good suggestions, do that, and we can go from there.
I've found the best way to find out if you have a vacuum leak is to unplug the vacuum line that is located hear the Master Cylinder, and see if the car idles funny. One small vacuum leak doesn't make the car idle weird, but two small ones will. Or if you are like me and have a big ol' hole in your intake where the vacuum lines should go, it really screws with your idle
.-justin
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From: Sheridan Wyoming
Bernout, it looks like you are getting some good ideas of what to check for, assuming the "clicking" sound is related to the problem.
However, for what it'* worth I'll pass this along: Here is what it took to fix that problem on my '99. I was told that it was most likely to be either a flakey cam position sensor, or crank position sensor. And upon visiting with a very exerienced GM shop foreman, he suggest that since the parts are relatively inexpensive, and to replace either one of them takes about the same amount of time and parts removal, he said they always replace them both at the same time.
So, that is what I did, and "presto !! problem fixed." (-I've also heard that a person should make sure there is no dirt, etc. around the "trigger windows" on the back side of the harmonic balancer. -those windows are what gives the sensor it'* position information.
By the way, when mine had that problem, it NEVER EVER set any codes. -probably because the condition never lasted long enough. It always just re-started, as if nothing ever happened.
Let us know what you find
However, for what it'* worth I'll pass this along: Here is what it took to fix that problem on my '99. I was told that it was most likely to be either a flakey cam position sensor, or crank position sensor. And upon visiting with a very exerienced GM shop foreman, he suggest that since the parts are relatively inexpensive, and to replace either one of them takes about the same amount of time and parts removal, he said they always replace them both at the same time.
So, that is what I did, and "presto !! problem fixed." (-I've also heard that a person should make sure there is no dirt, etc. around the "trigger windows" on the back side of the harmonic balancer. -those windows are what gives the sensor it'* position information.
By the way, when mine had that problem, it NEVER EVER set any codes. -probably because the condition never lasted long enough. It always just re-started, as if nothing ever happened.
Let us know what you find
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