Question about Vauxhall Vectra
My Auto Vectra starts but appears to need more fuel as would be supplied by a choke system. It will not rev until engine is warm and then all is o k even though engine management light stays on.
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Posted on Jan 02, 2017
Hi ..... This sounds as if it's fitted with an automatic choke, as long as the revs drop when it's warm there is nothing to worry about. The indication when these start to go wrong is that the car won't start when cold ................ even then any decent mechanic can fit a normal/manual choke.
Posted on Jan 03, 2009
SOURCE: not reving high on cold start
Here is the most common cause of surges and stalls and low idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake
Posted on Feb 06, 2009
Having exactly the same problem with my megane and the mechanic just charged me £687.00 and does not know what to do!!!
Posted on Dec 20, 2009
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