20 Most Recent 1985 Ford Thunderbird Questions & Answers

One of several possible issues. Check for any vacuum leaks. If you have an external fuel filter, have you replaced it ? If filter is internal with fuel pump, inside fuel tank, may want to do a fuel pressure test first. Have you checked for any codes in your engine control module ?

Your battery is discharging because you have a circuit drawing power when ignition is off. You have to identify the line by hooking up an ammeter to the battery and with the ignition switch off, start removing fuses till the draw goes down. Once you locate the offending circuit, you need to check all of the wiring and items on that load.

You will need to get a service manual as it is too complicated a job to advise here.

The Internet has a large number of web sites where you can buy service manuals and schematics from bookstores, publishers, and other collectors. Factory Auto manuals http://www.factoryautomanuals.com/ search for : factory service auto repair manuals Repair Service Manuals auto http://www.repairservicemanuals.com/ the largest collection of Automotive Repair Service Manuals and Owners Guides on the internet. Our database currently holds over 54,000 entries dating back from 1940 to more recent 2011. Chilton Repair and Service Manuals http://www.chilton.cengage.com/ Haynes Repair and Service Manuals http://www.haynes.com/

If fuel injected- Central Fuel Injection, as I think it was, the electric pump should be in the gas tank. If still carbureted, it will have a mechanical fuel pump on the engine.

In the trunk on top of the left hand wheel well.

Labor about 200-250 and part 100-180

Check compatibility on Ford's web site.

check with autozone.com help section

If the car is a 1991 Thunderbird, the fuel cutoff or inertia switch should be in the trunk.

ether in the trunk or the pass side kick panel

The red battery cable wire at the battery.

check compression on all cylinders, they should read the same

An easy way to determine which rocker is the intake or exhaust is by looking at where the ports for the manifolds are in relation to the rocker itself. Each rocker arm is aligned with the port it serves. Therefore if a particular rocker is aligned with the runner on the intake manifold, it's an intake rocker etc.

try your reset switch in the trunk passenger side firewall