...marquis misses at about 40-50 mph.i have changed the spark plugs and boots. i have also flushed and cleaned the ejector and throttle body. You may need to clean under the airhorn. The EGR vacuum ...
...Metal Airhorn and under the gasket where it attaches to the top of the Intake. There is a groove to clean that carbons up and throws bad codes and interferes with the engine running good. 8 bolts and ...
...clean the battery connections, charge the battery then have it tested at Auto zone or another parts store they usually do it for free if it's a bad battery replace, if not check the output of the ...
...boot is an accordion shaped cover that keeps dust from getting in between joints and shafts. Push in the tab that is holding the connector in place and unplug the wires or wire harness. Clean all the ...
Question about 1999 Grand Marquis
can't find miss, put in two sets of plugs in two weeks, cleaned boots from coils,checked injectors and cleaned the mass air sensor. no engine lights come on. I am stumped for now. can't ...
Question about 1999 Grand Marquis
can't find miss, put in two sets of plugs in two weeks, cleaned boots from coils,checked injectors and cleaned the mass air sensor. no engine lights come on. I am stumped for now. plug gap is .054
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