rear tank won't work
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Joined: Oct 2002
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From: Philadelphia USA
rear tank won't work
My rear tank isn't working I hear this is common problem. Does it have something to do with the switch?
May tranny fluid has air bubbles on the dip stick, I can't get a clear reading. Is there to much fluid is antifreeze leaking in it. I'm going to pull the pan and replace the screen & fluid.
I put on a new serpentine belt, the old won was chewed up. Now the new one is chewed up. The pulley's must be out of alignment. Any perticular pulley I should look at.
When I first start the truck it runs fine, then as it warms the idle is irregular. As it warms and I place it in drive and the idle goes up if I place it in park the idle drops and sometimes stalls. Once warm it seems to smooth out. I was thinking of replacing the idle air valve, but they are expensive.
TIA
Geoff
May tranny fluid has air bubbles on the dip stick, I can't get a clear reading. Is there to much fluid is antifreeze leaking in it. I'm going to pull the pan and replace the screen & fluid.
I put on a new serpentine belt, the old won was chewed up. Now the new one is chewed up. The pulley's must be out of alignment. Any perticular pulley I should look at.
When I first start the truck it runs fine, then as it warms the idle is irregular. As it warms and I place it in drive and the idle goes up if I place it in park the idle drops and sometimes stalls. Once warm it seems to smooth out. I was thinking of replacing the idle air valve, but they are expensive.
TIA
Geoff
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Freshman User
Joined: Oct 2002
Posts: 29
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From: Philadelphia USA
1990 Ford
I'll check this, I figure this may be the cause, but since it happens a lot I thought it might be something else.
It is a 1990 F-150 Lariat XLT - V8 302 automatic
It is a 1990 F-150 Lariat XLT - V8 302 automatic
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Joined: May 2005
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Problem With Rear Fuel Tank
I've got the same problem with my 1996 Eddie Bauer F-150.
I also had to have the front fuel pump replaced recently due to lack of pressure which caused it to stumble at higher speeds.
I plan on checking the tank rocker switch first before I replace the rear fuel pump. I read how that solved someone else's problem and it might be mine. When I switch the rocker to the rear tank, it pushes all the way down, but springs up just a hair.
When I hold the switch all the way down while I'm driving, the engine stalls out due to lack of fuel.
Since this is the cheaper part, (and easier to access) I'm going to start diagnosing the problem from there.
Good luck to you on your truck!
Mr. Geo
I also had to have the front fuel pump replaced recently due to lack of pressure which caused it to stumble at higher speeds.
I plan on checking the tank rocker switch first before I replace the rear fuel pump. I read how that solved someone else's problem and it might be mine. When I switch the rocker to the rear tank, it pushes all the way down, but springs up just a hair.
When I hold the switch all the way down while I'm driving, the engine stalls out due to lack of fuel.
Since this is the cheaper part, (and easier to access) I'm going to start diagnosing the problem from there.
Good luck to you on your truck!
Mr. Geo
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