20 Most Recent 1990 Ford Aerostar Questions & Answers


sounds like the fuel pump but i could be wrong iam not always right ,so look elsewhere as well say a crank sensor but fuel pump first

1990 Ford... | Answered on Oct 31, 2016


Check your fuses for the turn signal - also the relay unit could be bad - these are located drivers side just below the steering column (there should be a removable panel there) - I have an 89, and that is where it is on mine.- google aerostar fuse dia and you should be able to find the fuse box layout, so you know the ones to check.

I would have said to check a bulb, but since the flashers work, you know it's A) not a bad bulb, and B) not anything with the wiring...

Good Luck

1990 Ford... | Answered on Nov 22, 2015


it will not be a chain as you blew out the cylinders to get rid of the excess fuel by turning it over
no-- I would be looking for problem with the injector control, fuel pressure
if you have spark and compression then the thing missing is fuel

1990 Ford... | Answered on Oct 25, 2015


Do you mean the exhaust tail pipe ? if so look under the rear of the car at the bumper bar.

1990 Ford... | Answered on Jun 11, 2015


few things this could be - is it like a repeated sound? or just when turning? or what exactly? - front or rear?

1990 Ford... | Answered on Oct 19, 2014


??????????????????????????? need more than that to go on.......lol

1990 Ford... | Answered on Apr 21, 2014


First locate the fuel tank then from there two small fuel lines head towards the front one of them will be connected to fuel injectors which is return pipe leve it as it is. Other one is the main pipe which goes through water seperator, fuel filters, speed pump, automizer pump and then to injectors.
Just remove pipe and blow air to clean, drain water, replace filter if cloged and also clean fuel tank if you find more dust inside the pipes or filters.

1990 Ford... | Answered on Apr 21, 2014


may be it was not the MAF sensor but bad connections in the wires. Have a technician check the voltage in the wires and connectors to determine if that was the fault to start with

1990 Ford... | Answered on Jul 28, 2013


The fuel pump is in the tank, so you would have to drain and then drop the gas tank.

1990 Ford... | Answered on Feb 09, 2013


Under dash is a small unit that looks like a small radiator "inside" a case. Located under the dash on the passenger side.

1990 Ford... | Answered on Nov 29, 2012

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