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where is the inline fuel filter on my 1990 Sierra

truck not getting fuel, I think

where is the inline fuel filter on my 1990 Sierra

Postby Jebfun1 [OP] » Mar 14 2010, 3:00pm

When I got in my 1990 Sierra this morning, it was hard to start and started missing badly immediately. I gave it gas in park and it seemed to get better. I drove down to a store a block away.
When I came out it almost would not start and missed badly all the way home.
Once I turned it off, it will not start again. It will almost start with the gas peddle floored. Two thoughts came to mind since it was running great yesterday.
Sugar in the gas tank, or inline fuel filter.
I inherited this truck from my father recently. It only has 72k original miles.
I am not a mechanic and know nothing about this truck.
I seem to remember changing an inline filter on a 1969 Impala when I was in high school. I think it was near the carburator?
Can someone tell me where the inline fuel filter is located on my truck?
Being a dummy about vehicle mechanics, I will need pretty detailed infomation.

Thanks, John
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Re: where is the inline fuel filter on my 1990 Sierra

Postby koolz71 » Mar 14 2010, 7:52pm

are you sure its not the fuel pump? sure sounds like its starving for fuel...that or you could have bad gas(water in gas) a you could start at the filter..but it seems like a lot bigger issue...but anyways the fuel filter is located on the drivers side frame rail..just past the cab somewhere if i remember correctly
Crap, my hampster fell off the wheel and it broke its leg.

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Re: where is the inline fuel filter on my 1990 Sierra

Postby Jebfun1 [OP] » Mar 15 2010, 2:08pm

hmmm, thanks for the info, but I am a real dummy about vehicles :)
where is the frame rail?
Are you talking about under the hood, or down under the truck near the tires?
Thanks :)
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Re: where is the inline fuel filter on my 1990 Sierra

Postby koolz71 » Mar 15 2010, 4:28pm

the frame is the bones of the vehicle...its the long metal frame the vehicle sits on
Crap, my hampster fell off the wheel and it broke its leg.

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Re: where is the inline fuel filter on my 1990 Sierra

Postby Jebfun1 [OP] » Mar 17 2010, 5:03pm

thanks for the help :) got the filter in, but that wasn't the problem.
For future reference here, it was not the inline fuel filter, nor the fuel pump.
I took the truck to a shop and after a computer check, it was the coolant temp sending unit. The darn thing was telling the computer the temp was minus 40 degrees, and therefore the thing was sending too much gas and immediately flooding it out.
Took me 4 minutes to change it out.
What should have cost me eight dollars, cost me about 10 for the inline filter, 4 for heet treatment for water in the gas, and 50 for the computer check. But I am still happy :) It could have cost me at least 300 had it been the fuel pump.
Thanks to all for the help,

Edit - LOL, the guy at the shop wanted 80 dollars to put the coolant sensor in. My buddy and I pushed the truck out to the parking lot, grabbed my tool box, and 4 minutes later me and my truck were on the road.

John
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Re: where is the inline fuel filter on my 1990 Sierra

Postby koolz71 » Mar 19 2010, 4:38pm

glad it worked out for ya...seemed like it would be something simple :)
Crap, my hampster fell off the wheel and it broke its leg.

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Re: where is the inline fuel filter on my 1990 Sierra

Postby michiganredneck » Aug 22 2010, 8:56pm

hey thanks for your solution! just another tidbit for my vault!
ish a liddle heavy on da sap
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Re: where is the inline fuel filter on my 1990 Sierra

Postby duane4238 » Aug 24 2010, 4:25am

Another tidbit, a lot of auto parts stores will do the computer check for FREE. Autozone is one that does!
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Re: where is the inline fuel filter on my 1990 Sierra

Postby koolz71 » Aug 24 2010, 6:15am

thanx for that great info duane...great heads up
Crap, my hampster fell off the wheel and it broke its leg.

Check out my blog



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