1997 Pontiac Transport Repair Question
Asked on December 13, 2012
Pontiac Transport Engine Problem
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.
Answer
Replied on December 14, 2012
So its running smooth now?
Answered by
saturntech9 (expert)
23,387 answers providedReplied on December 15, 2012
its still has the misfire
Response from
msamgab
15 questions askedReplied on December 16, 2012
So you still have a code P0300?
Answered by
saturntech9 (expert)
23,387 answers provided
Replied on December 16, 2012
yes same code
Response from
msamgab
15 questions askedReplied on December 17, 2012
You need to check all the plugs wires connections etc.
Answered by
saturntech9 (expert)
23,387 answers providedReplied on December 18, 2012
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.
Response from
msamgab
15 questions asked
Replied on December 19, 2012
Does it restart after it shut off by itself?Also did you look for a vacuum leak?
Answered by
saturntech9 (expert)
23,387 answers providedReplied on December 19, 2012
yes it restarts after it shuts off, how do i check for a vaccum leak and where
Response from
msamgab
15 questions askedReplied on December 19, 2012
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.
Answered by
saturntech9 (expert)
23,387 answers providedReplied on December 19, 2012
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
Response from
msamgab
15 questions asked