Question about 1992 Buick Roadmaster

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Where is fuel filter located

Hesitates- will change air filter & PCV valve but also want to change fuel filter- where is it located in 1992 Buick Roadmaster

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The fuel filter is under the car, under the left rear passenger area. Be aware that the fuel line is pressurized, you must relieve the pressure before you remove it. Wear eye protection, don't smoke and stay away from open flames.

Posted on Jun 27, 2014


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Posted on Jan 02, 2017

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SOURCE: buick roadmaster 1992

The port is located in the larger of the 2 lines coming from the AC compressor, the charging port will be somewhere on that line with a plastic cap over it, the line goes into a part called an accumulator, it is about the size of a 1lb can of coffee, the port may be there as well, it varies from model to model.

Posted on Oct 30, 2008

SOURCE: i need to change my fuel filter on my 1996 buick roadmaster

thank you very much for the help i changed it out fine. it turned out not to be the problem but it needed changed out anyway. it turned out to be the fuel pump relay. thanks for the help

Posted on Nov 03, 2008

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SOURCE: PCV Valve Location

Its in the upper intake manifold on passanger side. Inside the manifold. Be sure to put o-ring on pcv or check engine light will come on.

Posted on May 25, 2009

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SOURCE: change starter 192 buick roadmaster

dissconect battery, remove flywheel cover,remove 2 bolts holding starter, now drop starter and remove wiring and take out,

Posted on Sep 30, 2009

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SOURCE: Changing PCV valve

you pcv valve should be located on the top or around the intake on top of the engine. It is covered by a little pcv valve rubber is easy to identify because it is similar to a radiator hose but a lot where near the size of a radiator hose...but when located, the pcv valve just pulls out and to check for it being bad, shake it and it should sound like something loose inside the pcv valve (thats a good pcv valve) but what they look like, they should be a silver looking color with a small little neck on it

Posted on Nov 21, 2009

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P0171' p0174 96 buick roadmaster 5.7

System Too Lean P0171
Clean the MAF sensor and IAC valve with MAF cleaner
Inspect all vacuum and PCV hoses, replace/repair as required.
Inspect all hoses and connections in the air intake system.
Inspect and/or test the intake manifold gaskets for leakage.
Check for a dirty fuel filter and proper fuel pressure.

As a last resort, replace O2 sensor

System Too Lean P0174
Error code P0174 is described as System Too Lean (Bank 2). This means there is incorrect ratio of air and fuel on the car's engine system, specifically on Bank 2 of the Cylinder. “Too Lean” means there is too much oxygen in the exhaust.

As a last resort, replace O2 sensor

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Follow the rubber hose from the air filter box. That will lead to the pcv valve

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My first thought would be a vacuum leak in one of the hoses. Rubber hoses get brittle with age and even a small crack in a hose may cause surging. Happened to me in a Lumina.

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1993 Buick Century. Would quit on road but would start up again. Now it will only start up and run for a few seconds then die. Have changed fuel filter. Whats my problem? Pete

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Where is the air filter located on a 1992 buick roadmaster?

The air filter is a long rectangular shape and is located is the front section of the air intake cover. Dead center and right on top of your engine. It is square rather than round like most but still sits right on top of your carburator/fuel injector. 2 wing nuts release it.

Dec 30, 2010 | 1992 Buick Roadmaster

1 Answer

Where is fuel filter on 1992 buick roadmaster


Sep 24, 2010 | 1992 Buick Roadmaster

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I have a 1992 Buick Roadmaster that stalls sometimes when coming to a stop or making slow turns(turning into a parking space, for example). I've changed the egr,vacuum solenid, distributor, cap and rotor...

Have you cleaned the intake manifold, you can get this at an auto supply store, sometimes deposits build up and block off air causing stalling when idling. just use according to instructions. If that doesn't help check fuel filter, fuel pump pressure, and all ground connections from battery and motor to body ground strap. These can become coeeoded underneath and cause all kinds of problems

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When i changed my air filter on my 1992 chevy caprice the old one had a fuel smell is this normal?

No not normal, have you change your PCV valve, I would change it out if not done yet.Will fit on top of valve cover.

Jul 19, 2010 | 1992 Chevrolet Caprice

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Where is the fuel filter on the 1992 Buick Roadmaster?

This diagram shows location inline just behind drivers side front wheel.
Copied from autozone guide.

Jul 03, 2010 | 1992 Buick Roadmaster

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I have a 19996 lincoln towncar, which deaccelerates (driving at 75mph, then drops to 55mph, while I'm pressing on the gas). It also, hesitates at startup. How do I fix this issue? I have done the following...

try wires or ur coil packs very important these go often really a headache good luck,or idle air control valve,or purge valve these control hesitation and acceleration too. good luck

Apr 24, 2010 | 1996 Lincoln Town Car

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