Question about 1989 Mercury Topaz

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How do you know if a fuel filter is going bad?

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It will starve the engine from fuel which would make the car feel as though the key is being turned of then on and so on

Posted on Apr 23, 2014

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Posted on Jan 02, 2017

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Where's the fuel filter on my '89 Isuzu pickup 2.3 eng?


3rd post and now adds 2.3L engine,
USA car?
i will go to michells diy for you., so can you if want.
4ZD1 engine GAS, and is CARB. USA laws is yours?
carb has 3.5 PSI fuel pump. (if was bad engine would be dead)
carb has inline filter. (if clogged engine be dead)
did you know carbs can run with gravity fuel feed, so that means
your filter is not bad if misfiring engine,
are you going to guess 50 times?
its Carburetor fuel system
if the engine is ok,? (lots of parts to fail there for sure)
and sparks ok (i bet not) no tune up this decade, no new spark plugs not taking them out and going, omg, wrecked or black as coal.
et cetra.
then the CARB is bad, ever fix one, ive down more than i can count.
#1 is coke stuck on or dead
#2 is float level wrong and valve to it bad. leaks or sticks. or gummed up. or floods engine,
3: clogged jets, (endless topic)
4: air clean packed solid, its part of CARB.
5: if float level drops below spec, running sure the filter can be clogged. 99% it have to be.


filter-oilmgcybvt25bld3udvqu02u-3-0.jpg

Mar 03, 2017 | Isuzu Cars & Trucks

1 Answer

Thears no fuel getting to my fuel injectures


Locate your fuel filter, it's underneath usually on the same side as your fuel fill cap. Disconnect the line going into the filter from the tank. Turn the ignition on(no need to crank it), if fuel comes out? your pump is good. Now reconnect the line, and disconnect the line on the other side of the filter, turn the ignition on, if no fuel comes out? then you know the filter is bad.

Oct 24, 2012 | 2000 Kia Sportage

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My 1996 saturn sl2 is smoking grey bad. I recently checked my fuel filter to see if it was bad or not, and it was HORRIBLE!! So i didn't have any money at the time. So i just stabbed a hole on the...


never do that keep a new filter in the boot . All the goo is now in the fuel tank fuel rail and injectors ,How to fix ,clean out fuel tank fuel rail and injecttors fit new fuel filter .

May 17, 2011 | Saturn SL2 Cars & Trucks

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Why would the engine die when i take my foot off pedle


it could possibly be a bad or gunked up idle air control valve ( IAC ). to fix remove and clean it, or replace it.

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What can cause a car not to get power and speed?


Here is a list. Bad timing,dirty air filter,cheap gas,old spark plugs,bad spark plug wires,bad fuel pump,bad fuel regulator,bad exhaust system meaning full of holes,dirty oil and oil filter,dirty fuel filter.

Feb 17, 2011 | 1995 Ford Taurus

2 Answers

HOW WOULD YOU KNOW IF ITS A FUEL FILTER OR A FUEL PUMP THATS BAD


When you turn the key, your fuel pump should make a bbzzz sound for a second or two. Try that a couple of times to see if you hear anything. If not, it may be going bad. If if was bad, your vehicle wouldn't stop. If you have over 50,000 miles on your filter, it may need changed. They get clogged sometimes and will cause stalling or hard starts. Hope this helps you.

Feb 04, 2011 | 1998 Ford Explorer

1 Answer

How do i know if my fuel pump is bad on my 1995


Well that could be a indication of a bad fuel pump, but it could also be a bad or clogged fuel filter, or even a really needing a tune up... When was the last time you changed the plugs and wires? I would do that before I ever got into the fuel pump issue... You can have the pump pressure tested. Do the plugs and wires, next do the fuel and air filters... If that doesnt help have the pressure tested...

Jan 28, 2010 | 1995 Volkswagen Jetta

1 Answer

My car hesitates and slowsdown while driving


The fuel filter is in the gas tank with the fuel pump - it's actually a 'SOCK' that filters fuel before it enters the pump. Odds are it's not the filter. Odds are you have a Throttle Position Sensor which is going bad (bad spots in the potentiometer). Erratic resistance changes sending BAD signals to the Engine Control Module and Transmission Control Module ECU & TCM. A good technician knows how to check it with an analog ohm meter.

May 23, 2009 | Hyundai Motor 2003 Elantra

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Ford-F350 7.3 turbo sluggish when you accelerate


i dont know about the turbo going bad,but i do know that ive seen 7.3 diesel have bad injectors,usually 2 at a time, check for fuel at the injector which can get messy so wear protective gear such as goggles and gloves,while running crack open the fuel line at the injector to see if there is fuel,it should run rough which is good on the working cylinders,if it doesnt change then maybe a bad injector,or not enough fuel pressure at that injector.injection pump issues are another thing,but most likely its an injector.

May 09, 2009 | 2001 Ford F350 Super Duty SuperCab

2 Answers

FUEL PUMP MAYBE


Yes, it does sound like your fuel pump may be going bad.
The first thing I would try is to change the fuel filter. If the fuel filter is plugged, it will cause a low fuel pressure and the engine will not run good.
After you change the fuel filter you will want to do a "fuel pressure" test. You can borrow a fuel pressure gauge or but one ( $40 US ) connect it to the fuel rail test port on the engine and start the truck. Your fuel pressure should be 45 to 55 lbs.
If you have more questions, let me know.
Regards,

May 08, 2009 | 1999 GMC Yukon Denali

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