1997 Pontiac Transport Waiting Light Change Car Turns Off Restarted Drove Home

1997 PONTIAC TRANSPORT
119,000 MILES
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MSAMGAB
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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.
Dec 13, 2012 at 8:49 PM
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SATURNTECH9
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So its running smooth now?
Dec 14, 2012 at 2:34 AM
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MSAMGAB
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its still has the misfire
Dec 15, 2012 at 10:48 PM
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SATURNTECH9
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So you still have a code P0300?
Dec 16, 2012 at 6:41 AM
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MSAMGAB
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yes same code
Dec 16, 2012 at 11:38 PM
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SATURNTECH9
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You need to check all the plugs wires connections etc.
Dec 17, 2012 at 6:09 PM
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MSAMGAB
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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.
Dec 18, 2012 at 10:56 PM
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SATURNTECH9
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Does it restart after it shut off by itself?Also did you look for a vacuum leak?
Dec 19, 2012 at 1:56 AM
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MSAMGAB
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yes it restarts after it shuts off, how do i check for a vaccum leak and where
Dec 19, 2012 at 3:16 PM
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SATURNTECH9
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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.
Dec 19, 2012 at 3:36 PM
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MSAMGAB
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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
Dec 19, 2012 at 4:45 PM
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SATURNTECH9
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Alright keep me posted.
Dec 19, 2012 at 4:58 PM
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