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hi guys. i have a 2000 vw passat 2.8L v6. when starting the car it starts poorly. sometimes i crank it it starts and 2 seconds later it dies, but ussualy on the 3rd try it satrts and runs somehow noisy though. i scaned it with a vag com and i got a p0300, 301 302 and 303. so basicly the whole left bank is misfiring. any suggestions?
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Intake leak? See Eric’s latest(replacing intake gasket) and checking for vacuum leaks vids would be my suggestion for a starting point.
If you suspect an intake leak, run the water hose around on the engine listneing for a change in idle. Just a medium flow out the open hose works well and its safe. Better if the engine is cool.
All great suggestions.Also pull the plugs and look
at them.http://www.youtube.com/watch?v=tt2pprGMYaE&list=UU_q-UNDJeEBSHqKzAP_8x_A&index=1&feature=plpp_video
http://www.youtube.com/watch?v=rsGTeWayqIU&list=PLCD2DBE711838A21E&index=27&feature=plpp_video
http://www.youtube.com/watch?v=9CPqbaSgcok&list=PLCD2DBE711838A21E&index=3&feature=plpp_video
Yes, i would start with the plug wires and plugs and move on to vacuum leaks from there. If those are not the problem, …hmmmm.. depending on if your auto has 2 cats or one, if it has 2, One on each side of the engine, i would most deff check the one on the side thats mis firing.
Good luck to you and hope u get er done.
Here’s the video on checking for voltage leaks that may also help.
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