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Previous Thread Next Thread Print Thread Rate Thread 94 Cherokee - Testing Fuel System #810370 05/08/07 01:20 AM Joined: Apr 2007 Posts: 11 A antheil OP Need a Spot I am still struggling with my 94 Cherokee. I am beginning to think it may not be getting enough fuel. It is intermittent, sometimes it barely idles and the sometimes idles ok but still seems to lack enough fuel at higher RPM. I have changed the filter and it was BAD (very dirty). How many fuel systems components are there? Pump, Filter, Relay, and Injectors û anything else? How can I test the system? Any ideas and help would be greatly appreciated Re: 94 Cherokee - Testing Fuel System [Re: antheil] #810371 05/08/07 08:31 PM Joined: Apr 2007 Posts: 32 M MrCrowley Getting the Wheeling Fever my dad had the same problen with his jeep and he sold it so the guy that boutht it got to looking at it and th fuel filter was really dirty as yours was and after he changed it it kept up the rought running and hegot to looking ant the air filter was matted pretty bad with all kinds of road grit. he changed it and cleaned the filter tube and it quit doing it. so i dont know if it will work for you but its worth a try Re: 94 Cherokee - Testing Fuel System [Re: antheil] #810372 05/11/07 06:05 AM Joined: May 2007 Posts: 4 Manitoba, Canada J jtkasprick Need a Spot You should start by checking fuel pressure, Your system should have a spec( Iam not at work and do not have a manual at home so i am not sure the spec)for how mush Psi the systwm should supply. Also you can check how much current draw the fuel pump is drawing. If it is out of spec it could be a wiring problem or a bad pump. There is also volume testing. This test will tell how much fuel is being pumped to the fuel rail. If you are not sure how do do these tests it is best to leave it up to a certifed Technician. Moderated by  4x4Wire  Hop To Mitsubishi Forums ------  Mitsubishi 4x4 and SUV Tech  Mitsubishi Diesels  Mitsubishi ArchiveToyota Forums ------  Early Toyota Trucks  Toyota 4Runner, FJ Cruiser &...  T100 & Tundra Forum  Tacoma Forum  Toyota Tech ArchiveJeep Forums ------  Jeep Talk  Jeep TechIsuzu Forums ------  Isuzu 4x4 & SUV Talk  Isuzu 4x4 & SUV Tech  Isuzu DieselsKia Forums ------  Kia Talk  Kia Sportage & Sorento TechOff Topic Chat ------  4x4 Gallery  Off-Topic Chat  Recreational Access & Land ...  Politics4xForums ------  Outdoor Gear  General 4x4 Discussion  Tools and Fabrication  General Communications  Amateur Radio  GPS and MapsParts Bin ------  Private Party - Garage Sale  Private Party - Items wanted  Vendors, Hot Deals, Group Buys4x4Wire Back Yard ------  Suzuki Forum  AZ Crawler Crew  Cal-Nev Crew  General Ford 4x4 & SUV Forum  General Dodge 4x4 & SUV Forum  General Chevy 4x4 & SUV ForumFeedback & Testing ------  Problems, Questions, Suggestions4x4Wire Staff ------  Forum Moderators  Problem Threads Print Thread Switch to Threaded Mode 5 Excellent 4 Good 3 Average 2 Bad 1 Terrible View Profile Private Message Follow User Forum Posts View Profile Private Message Follow User Forum Posts View Profile Private Message Homepage Follow User Forum Posts

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