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Re: what symptoms indicate you need a new purge valve? Posted by SWEDECAR [Email] ![]() ![]() ![]() In Reply to: what symptoms indicate you need a new purge valve?, jimbobjoe, Thu, 19 May 2011 04:27:50 Members do not see ads below this line. - Help Keep This Site Online - Signup |
That kind of sounds strange since these newer cars have a much more sophisticated fault tracing program sensing if the EVAP purge valve would stick open which is what I think the tech are hinting at.
It is many other items I would suspect first before thinking about that valve for a cold start problem.
Fuel pump and fuel pump check valve, crank shaft position sensor and in some rare cases the starter itself.
I have now replaced several starters for a long crank before fire up on the V6 engine. Even though the starter turns over like no tomorrow when turning the key, it is still stealing soo much voltage that it is nothing left for the rest of the ignition and fuel system to fire up the engine.
A burned positive battery cable could also be a problem.
Weak coolant thermostat and ECT sensor altering the cold start fuel mixture is another possible culprit.
Anders
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