20 Most Recent 1991 Ford Aerostar Extended Questions & Answers

NO,But the transmission fluid will work well in the transmission and the torch can be used for plumbing connections.

It can how ever be repaired with a new windshield being installed.

Try spraying carb cleaner around the intake if idle increases it is a bad intake gasket. It also could be a bad plug/s, wires, or low compression in one of the cylinders. At higher idle a slightly lower compression cylinder is not noticeable but after warming up the idle drops causing the cylinder to have a misfire.

Check to see if there's a check engine light when you turn the key. The van can't start if the computer, and fuel pump don't start. Sometimes it could have a blown fuse, broken ground wire or a bad relay.

I dont think so, no. The transmission in the 4.0 L is a standalone tranny made by Ford. I BELIEVE that the 3.0 L engine uses the same transmission that is used in the Ford Ranger.

if your problem started when the air box broke and you don`t want to replace it with a new one(which I wouldn`t because of price) why not go a wrecking yard and get a used one.

Do you have normal compression, fuel pressure, and spark ?

If you get an overheating problem, the pressure in the system increases, The radiator cap has a pressure release valve to stop further damage to the system and release the pressure which gives the impression of coolant leaking out. Possible causes of overheating:- Low coolant level (a leak in the system). Thermostat not opening (need to replace). Cylinder head gasket leaking (need system pressure tested) indication of head gasket can be water in the oil, look in the oil filler cap, if there is a creamy brown sludge, indicates water present. Weather if the weather is hot, possible electric cooling fan isn't working. There is a possibility that the seal on the radiator cap is at fault (rare)

does it come on when just turning the key to the on position but not starting it- Denny

nope.. ignition switch... most operable systems go thru the switch/relays when turned on..

Has anyone checked base fuel pressure at the injectors, and have you replaced the fuel filter in the past year or so ?

details can be printed out for you by a parts store

I doubt it is the cat.If the cat is plugged up the engine should start but have no power.Yes it could have jumped time or you could have a problem with the distributor or the cap and rotor. It could be firing on the wrong cylinders if the cap and rotor are worn out.

chech for a faulty ignition timing sensor as it may be out of syc allowing inncorrect ignition timing

Check for manifold leaks

maybe a vacum line has come off.

Either the brake fluid reservoir is low from worn down brake pads or the system has a leak or the park brake switch is stuck or damaged. Another possibility is a defective master cylinder. The brake pedal would sink under constant pressure is that is the case.