Question about 1992 Ford Aerostar Extended
My van runs perfectly fine up until it rains. once it rains, its like i'm waiting for something to dry before it starts again. could it be the gasket?
I just had this exact problem. Wouldn't start or took 15 trys to start, but then ran smoothly. Sometimes a little rough starting on dry days, but pretty much hard starting after rain. I was thinking water in my tank/bad gas, but shooting some starter fluid in my intake didn't give me the initial blast at start up... that certainly indicated that it was electrical...
...but the next day the vehicle stalled in the middle lane of a three lane street, wouldn't restart. After pushing it to the curb, I got to the point where I was checking the wire from the coil to the distributor cap. Two thirds of the wire lifted right out. This wire was in 2 pieces! Amazing that it had been running at all, with this one wire burned down to a whisper, before it broke completely. There were signs of heat/elec damage to the wire also at a point an inch away on this wire.
Replacing the wires is absolutely the first thing to try. It's cheap and easy to do, and it should be done (or the wires inspected/tested) routinely anyway. The coil-to-distributor coil gets more engine heat and more use than any of the indiv spark plug wires and hence wears much faster.
I am betting this wire is much more likely your problem than a coil failure. Good Luck!
Posted on Mar 08, 2009
I HAD THE SAME PROBLEM...FIGURED IT OUT! ..... Not sure what the unit is called (thought it was the ECM but doesn't look anything like one....probably connects to the ECM inside the van) ....anyway...on my employer's '90 Aerostar the unit that when exposed to heavy moisture (rain) keeps the van from starting is a round plastic unit with the main wiring harness going into it.....it's base is white...then has a red "cap" and a black "cap" ...on the 97 Aerostar it's not round...but has the wiring harness going in the same spot. THE LOCATION is on the very far right - top corner of the firewall. If you have this problem...next time it happens....grab a hair blow dryer and extension cord and warm up that area for a couple of minutes...it will then start right up. To prevent it...rig up a towel ..etc...around the unit to keep moisture out.
PLEASE post if you found my post here and it worked for you.
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Posted on Jan 02, 2017
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I have the same problem. I have done some research and have found several possible explainations:
1. Cracked distributor cap
2. Worn spark plug wires
3. Cracked ignition coil
Since I don't have the money to take it to a mechanic I haven't yet found out which it is. If you can investigate these problems on your car maybe you can find the solution
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