Waiting for light to change car turns off.

Tiny
MSAMGAB
  • 1997 PONTIAC TRANSPORT
  • 119,000 MILES

Waiting for light to change car turns off restarted drove home, next day turn car on misfirering and engine check light came on, connected code reader and code P0300 radom / multiple cylinder misfire detected came up, took the first two spark plugs out to check them they were ok put then back, turn car on the engine check light when off.

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Thursday, December 13th, 2012 AT 8:49 PM

11 Replies

Tiny
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So its running smooth now?

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Friday, December 14th, 2012 AT 2:34 AM
Tiny
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Its still has the misfire

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Saturday, December 15th, 2012 AT 10:48 PM
Tiny
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So you still have a code P0300?

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Sunday, December 16th, 2012 AT 6:41 AM
Tiny
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Yes same code

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Sunday, December 16th, 2012 AT 11:38 PM
Tiny
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You need to check all the plugs wires connections etc.

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Monday, December 17th, 2012 AT 6:09 PM
Tiny
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Changed the spaark plugs and wires its still doing the same thing, like it wants to shutoff and then it shutsoff after a few mins.

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Tuesday, December 18th, 2012 AT 10:56 PM
Tiny
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Does it restart after it shut off by itself?Also did you look for a vacuum leak?

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Wednesday, December 19th, 2012 AT 1:56 AM
Tiny
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Yes it restarts after it shuts off, how do I check for a vaccum leak and where

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Wednesday, December 19th, 2012 AT 3:16 PM
Tiny
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You can use some carb spray while its idling spray around all the vacuum hoses intake manifold gasket etc. If the rpms go up down or it stumbles or dies you found a leak.

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Wednesday, December 19th, 2012 AT 3:36 PM
Tiny
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Thats how it started - stumbles, rpms go up and down then shuts off and thats when the engine light came on and the code P0300 show on the scanner, i'll try the spray and see what happens

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Wednesday, December 19th, 2012 AT 4:45 PM
Tiny
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Alright keep me posted.

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Wednesday, December 19th, 2012 AT 4:58 PM

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