Question about 2004 Mercury Sable
At first my wife put bad gas in the car. And it was running bad and the engine light came on. We put SeaFoam in with the next fill up and the light went off but the car still hesitates. Then I changed the fuel filter and the engine light came on because I ran the car out of fuel by taking the fuel pump fuse out. Why would the engine light still be on and the car still hestitates but not as bad?
Bad gas isn't too likely
Sea Foam is a waste of your money
You don't diagnose & make repairs by adding
a Genie in a bottle
You have an OBD Check Light on,so why have you
not retrieved the codes & diagnosed from there?
If you run the fuel pump dry you can ruin that
It depends on fuel to cool & lube it
Fuel filters don't fix a thing either,they filter fuel & last 3 to
6 years with todays plastic fuel tanks that have little debris
vs the old steel tanks of 30 years ago
Once you get the codes you will find you have cylinder misfires,
bad ignition coils
The oxygen sensors get replaced at 100,000 miles,that is another
Have to clean the MAF Senser at least once a year
Need to do some studying
Posted on Jan 16, 2013
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Posted on Jan 02, 2017
It is likely one of you coils. You can buy one and keep moving across all the cylinders until you find the bad one or wait for it to set a code to tell you which one.
Posted on Mar 16, 2009
you can try just resetting the fuel pump switch located in the car
the switch is originally in the car for in case of an accident, however, if changed, chances are you also have to reset it
in my 98 grand marquis, the switch is on the left side of the trunk
Posted on Mar 19, 2009
I had the same kind of problem and I ended up solving it by actually checking for recalls for the 2000 Cougar and when you do, you'll see that there is a fuel pump recall. I dont' know if you've already done this but I figured i'd post this and try and help out!
Posted on Sep 04, 2009
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