Fuel Pumps
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Postmaster
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Fuel Pumps
Not really a call for help. Had my mom's '95 Aerostar leave me stranded today, fuel pump died. It gave a few warnings recently. The good news is I have a Denso pump in the back of the van. The bad news is my tank is 3/4 full and I will have to change it out in a parking lot.
I purchased the Denso pump a while back, knowing that if I ever had a fuel pump failure while out of town, if I didn't bring a known good one, then I'd have to use whatever was locally available, and my past experience with most aftermarket pumps is that they are almost as bad as the burned out stock one I'm replacing. Denso is one of the brands that is not a low-bidder part made in China, being a Toyota company. So while not OEM, I figure it gives me an acceptable alternative to a genuine Motorcraft. The only brands I will use for fuel pumps is Motorcraft, Denso, Standard, and Walbro. If you can find a genuine Carter, they are good too (They made most of the Motorcraft ones), but many Carter pumps are now relabeled Airtex pumps, which are garbage.
I purchased the Denso pump a while back, knowing that if I ever had a fuel pump failure while out of town, if I didn't bring a known good one, then I'd have to use whatever was locally available, and my past experience with most aftermarket pumps is that they are almost as bad as the burned out stock one I'm replacing. Denso is one of the brands that is not a low-bidder part made in China, being a Toyota company. So while not OEM, I figure it gives me an acceptable alternative to a genuine Motorcraft. The only brands I will use for fuel pumps is Motorcraft, Denso, Standard, and Walbro. If you can find a genuine Carter, they are good too (They made most of the Motorcraft ones), but many Carter pumps are now relabeled Airtex pumps, which are garbage.
Fleet Mechanic
Joined: Apr 2003
Posts: 1,460
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From: Florida
I've never had to replace a fuel pump in any of my 3 Aerostar since 1986, but I have heard of others whose pump died.
is there no access through the floor to replace the pump without having to lower the tank?
is there no access through the floor to replace the pump without having to lower the tank?
Posting Guru
Joined: Jul 2004
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From: Mitchell, SD
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That is correct, there is no access. I know some members have added one, an idea to which I am opposed. Fuel pumps should last long enough that providing an access should be an unnecessary thing. Cutting a hole in the floor of the van just seems like a bad idea. Besides which, you would have to pull back carpet to get to it.
Fleet Mechanic
Joined: Apr 2003
Posts: 1,460
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From: Florida
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The new pump is working, the old one is definitely bad. The ignition module tests good, replaced the crank sensor. Still no spark. I will need to find my electrical tester and see if the EDIS6 module is getting power at all.
Gonna look over the schematics tonight.
Gonna look over the schematics tonight.
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You learn from experience: I had the pump replaced (was not willing to drop the tank in the street), but still had intermittent starting and rough idling problems. Turns out it was the harness going to the distributor--where the spark and fuel injectors (via the pickup-coil), was frayed. Cut and rewired the harness an problem solved.
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