20 Most Recent 1998 Mercury Grand Marquis - Page 9 Questions & Answers

The idle air control valve job is to maintain a target idle,

it will be in the trunk you may have to pull pack the liner to see it. it will be to the rear of the wheel wells.

it will be a black piece with a red button. press the button down to reset

there should be a dark green with yellow with and a pink with black wire at the inertia switch. the dark green is power from the relay and the pink is power to the pump. there will be another connector on the passenger side of the fuel tank. the wire color to the pump will change at this connector. I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

Car not starting or turning over indicates towards multiple possibilities. It can be issue with battery or weak battery. But if battery checks out ok, then it can be starter issue or faulty alternator or problem with low fuel pressure or no spark at spark plugs due to dirty spark plugs or faulty ignition coil or injectors getting cracked or dirty and needs to be cleaned.

To confirm the problem, the basic troubleshooting is required.

Click this link below and follow the troubleshooting:------

http://technoanswers.blogspot.in/2012/02/car-starting-issues.html

---------

This will help.

Thanks.

sounds like the lighter itself is bad because the fuse for the lighter is the same as the fuse for the connecter in which the inspection machine plugs in to.

yes, it screws into the top of the intake manifold in the front passenger side corner opposite to the thermostat.replace O-ring when change.

CChange battery and clean the terminals. The alternator is not designed to be your main power supply - it just keeps your battery charged - which is your primary power supply