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2001 Buik Regal Engine cuts off

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New User

Feb 11, 2013, 1:22 PM

Post #1 of 2 (833 views)
2001 Buik Regal Engine cuts off Sign In

 I have a 2001 buik regal se with about 140k miles on it. Lately I've had problems with it cutting off while driving, accelerating, deaccelerating, but mainly idling. If it happens while Im driving I can give it a little bit of gas and it wont cut off, but I cant do anything if it cuts off while I'm idling. Also when I try to crank it back up I usually have to let it sit for about five minutes before I am able to crank it back up, the engine turns but it's like it's not getting any gas. Any ideas to what is causing this?

Hammer Time
Ultimate Carjunky / Moderator
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Feb 11, 2013, 2:49 PM

Post #2 of 2 (801 views)
Re: 2001 Buik Regal Engine cuts off Sign In

That's the 5 minutes that you have to do your testing.

All "crank, no start" conditions are approached in the same way. Every engine requires certain functions to be able to run. Some of these functions rely on specific components to work and some components are part of more than one function so it is important to see the whole picture to be able to conclude anything about what may have failed. Also, these functions can ONLY be tested during the failure. Any other time and they will simply test good because the problem isn't present at the moment.
If you approach this in any other way, you are merely guessing and that only serves to replace unnecessary parts and wastes money.

Every engine requires spark, fuel and compression to run. That's what we have to look for.

These are the basics that need to be tested and will give us the info required to isolate a cause.

1) Test for spark at the plug end of the wire using a spark tester. If none found, check for power supply on the + terminal of the coil with the key on.

2) Test for injector pulse using a small bulb called a noid light. If none found, check for power supply at one side of the injector with the key on.

3) Use a fuel pressure gauge to test for correct fuel pressure, also noticing if the pressure holds when key is shut off.

Once you have determined which of these functions has dropped out,
you will know which system is having the problem.


We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

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