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When I try to speed up start to jerking.
2007 VOLKSWAGEN PASSAT
Hi, when I try to speed up start to jerking allot, and also theris no smoke coming up from exouse, thanks
have the same problem?
Monday, December 31st, 2012 AT 4:15 PM
Size of engine? Gasoline or Diesel?
Monday, December 31st, 2012 AT 6:18 PM
Sorry what is a misfire?
Monday, December 31st, 2012 AT 9:47 PM
Misfire is when the fuel that is supposed to ignite (to produce power) does not ignite / not burnt
fully. Due to:
- too much fuel
- too little fuel
- faulty / dirty spark plug
- faulty ignition coil
- valve piston timing
- other engine factors
The smoke is probably un-burnt fuel. The fuel leaves the engine via the exhaust and is then burnt in the
catalytic converter. Since the converter can not fully burn the fuel, smoke is present.
Monday, December 31st, 2012 AT 9:53 PM
What I have to do now? Sir, thanks
Monday, December 31st, 2012 AT 10:12 PM
Start with checking for stored error / fault codes in the engine computer.
You will need a scan tool (OBDii / OBD2 tool).
If a fault code is stored, post the code here so I can suggest the next step.
If no fault code is stored, you are better off going to a VW Garage for diagnostics.
The longer you drive the vehicle with this fault (jerking and smoking). The more damage you can
do to the engine / catalytic converter.
It could be as simple as a spark plug or ignition coil (if it is gasoline engine) or a dirty injector if it
is Diesel Engine. But could also be more expensive.
Monday, December 31st, 2012 AT 10:19 PM
to post a reply.
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