I have a 1992 ford aerostar minivan. About two months ago, it broke down. Mechanic said there was gas in the oil. He changed the spark plugs, fuel pump, oil and oil filter. it worked for two days when i got it back, and broke down for the same reason. same mechanic looked at it, and couldnt figure out what was wrong with it. I took it to a differant mechanic, and he changed some relays, it worked for about three days, but would sputter alot and stalled out several times. It finally broke down again, so we changed the computer in it....still doesnt work....does anybody have any ideas as to what this could be?
2007-01-04 10:30:51 · 6 answers · asked by sugar_mamma1 1 in Cars & Transportation ➔ Maintenance & Repairs
Gas in the oil? Very rare with fuel injected vehicles. How many miles? Over 150K, that poor van has had it.
Do compression and leakdown tests to determine engine health. This is my pet peeve when diagnosing older/high mile vehicles: Mechanics will throw 20 electrical parts at a car, before making sure the engine is healthy. If a car is worn out, I refuse to work on it. Its a waste of time and money, and a source of endless comebacks.
good luck......
2007-01-04 13:26:53 · answer #1 · answered by electron670 3 · 0⤊ 0⤋
Back up - put your original equipment ECM processor [computer] back in the car.
Did you have diagnostic scans run before replacing the ECM?
Before replacing more parts on this vehicle, have your mechanic try this:
Pull the coil wire off the coil terminal and hold away from the terminal about 1/4 inch, then try to start the car,
if it starts - use dielectric tune-up grease on the coil terminal and on the distributor cap terminal, then reinstall the coil wire and see if that corrects the problem.
If it does not start, then you need to have a professional run ECM diagnostics to find any problems with fuel and ignition systems.
A faulty 02 sensor could also cause overfueling, spark plugs to gas foul and fail to fire - when you continue to try to start the engine with spark plugs not firing, the oil can become diluted with gasoline.
Without answers to some diagnostic questions, this is all just shooting in the dark and you can spend a lot of money replacing parts.
Best thing is to find a mechanic who can run the tests on the ECM system.
2007-01-04 11:06:59 · answer #2 · answered by birdwatcher 4 · 1⤊ 0⤋
You have a cracked block, or bad rings. That is the only way gasoline can get in the oil. I think you need to find a competent mechanic if you are going to fix this one, or start looking for something else. Gasoline would not be in the oil because of anything you've done up to now.
2007-01-04 10:38:30 · answer #3 · answered by oklatom 7 · 1⤊ 0⤋
Sounds like the fuel pressure regulator or the MAF sensor. It is pushing so much fuel into the engine that it is getting fuel into the block and mixing with the oil. Good luck.
2007-01-04 10:37:19 · answer #4 · answered by jeff s 5 · 1⤊ 0⤋
piston rings are worn out,
2007-01-04 10:37:56 · answer #5 · answered by bakerone 3 · 1⤊ 0⤋
That would be the end of it's usefullness
2007-01-04 10:43:09 · answer #6 · answered by rustymustangs 3 · 1⤊ 1⤋