Question about 2007 Ford Crown Victoria LX Sedan
4.6 L eng. will not idle at low rpm
change plug and wire if its been a while most cars have 90000 miles platinum plugs in them.but the wires wear before plugs.so change plugs and wires.+clean fuel injectors .change fuel filter and air filter.if car still run rough your idling to low.have idling check .
Posted on Jun 06, 2009
SOURCE: hummer h2 idle rpm too low
I can't solve the problem but was hoping you found the answer. I have a 2003 Hummer H2 and I am having the same problems if started in park or Neutral it will idle fine but if I put it in drive or reverse it will not idle
Did you find the solution and if so could you email me the fix.
Posted on Jul 30, 2009
SOURCE: idle rpm too low
are you reading your rpms right....5-6000 rpms should equal 70- 85 mph....that is certainly not idle speed....invest 20bucks in a Haynes manual----it is good reading
Posted on Mar 01, 2010
sorry but you have tried everything i would have done except that i would have checked the engine breather pipes for deterioation like perished or soft and collapsing .you would be surprised how often this is the main cause of this sort of problem
Posted on Aug 21, 2010
with a 2002 Concord 3.5 V-6, what should the rpm be at 60mph? 70 mph?
I'm not sure if the overdrive gear is lost in the tranny, but the transmission light is on.
Posted on Mar 29, 2011
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