Question about 2000 Mercury Grand Marquis LS
I had been long overdue to change the oil..but light didn't come on. Turns out I was a couple quarts or more too lkow...didn't drive it long this way...Changed the oil and filter...started up rough and seemed okay....however at highrt rpms there seems to be a cylinder type knocking sound
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Posted on Jan 02, 2017
Start car and use a squirt bottle of water to wet the wires and coil, if you see it spark or run rough one or both are bad, repair the wires first as they are more common.
Posted on Aug 02, 2009
Have seen this problem before. You need to look under dash at brake pedal and find a blue switch with plunger contacting pedal, disconnect connector and jump with a peice of wire and drive to see if cruise works and if it does replace deactivation switch this should get you going.
Posted on Aug 26, 2009
you will need the proper Quick Disconnect tool, Look on the Frame rail for the filter, remove filter from the spring type retainer, remove the safety clips on the lines but not remove them completely, insert the disconnect tool & push into the fitting of the fuel line, push line & tool into eachother then pull filter away from line, if not done properly you will have a big problem putting the line back on
Posted on Oct 28, 2009
The first problem you have is assuming that the ignition coil is the only thing that can cause a misfire.
Diagnostic Test Code (DTC) P0316 is a "continuous memory only" code that indicates that there is a fault causing a misfire during the first 1000 revolutions of the crankshaft immediately after engine start-up. This should be accompanied by the regular cylinder misfire monitors (Codes P0301 through P0310) unless the misfire does not continue long enough for the regular misfire monitors to determine which cylinder is misfiring.
In order to determine what is actually causing the problem, you must have access to a scan tool that can perform Key On Engine Off (KOEO) fault testing and Key On Engine Running (KOER) fault testing as well as interfacing with the onboard engine computer to read live data and perform system tests.
Please note that generic OBD code readers DO NOT have the capabilities to do what you need to diagnose this problem. You will most likely get additional DTCs that can help lead you to find the source of the problem when KOEO and KOER tests are run. Generic OBD code readers can access only continuous memory DTCs.
Possibilities/conditions/systems that can cause this code are:
>Camshaft Position Sensor
>Low fuel: less than 1/8 tank
>Stuck open EGR Valve
>Blocked EGR passages
>Fuel injector control circuits
>Running out of fuel
>EVAP canister purge valve
>Evaporative emissions system
>Base engine (mechanical) problems
Posted on Mar 05, 2012
Firing order 1-3-7-2-6-5-4-8 Cylinder locations: Passenger side starting at front of engine and going to the rear: 1-2-3-4 Driver side front to rear: 5-6-7-8 This actually for a 1996 model, but I should imagine it is the same.
Posted on May 20, 2012
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