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Previous Thread Next Thread Print Thread Rate Thread Fuel Pump Problem On 87 4 Runner #805498 04/15/07 07:54 PM Joined: Oct 2006 Posts: 65 GrangeVille, Idaho M myyota OP Getting the Wheeling Fever Once you start the truck it will only run for about 3 seconds and then dies, the power to the fuel pump goes dead, we have tried a different fuel pump relay,a different circuit opening relay and a different air flow meter, and the problem is still there. i know there is a main relay that supplys power to the other relays, were is it located ?, is it in the fuse box under the hood ?. any help is appreciated. <img src="/forums/images/graemlins/confused.gif" alt="" /> 1986 Toyota 4Runner. Solid Axle Swap, 5'' Lift, 37'' MTR`s, Duel Cases, Detroit Locker Rear, ARB High Pinion Front, 4.88 Gears, Cross Over Steering, Trail Gear Sliders, Addicted Off Road Front Bumper. Re: Fuel Pump Problem On 87 4 Runner [Re: myyota] #805499 04/15/07 09:20 PM Joined: Jan 2000 Posts: 12,153 N. California. USA 4Crawler Web Wheeler You'll find that information on my web page: - http://www.4crawler.com/4x4/CheapTricks/index.shtml#FuelPump Also check for air leaks in the tubing between the air filter/AFM and the throttle body. r.c.brown@ieee.org TruckEditor@tlca.org Project: 4Crawler 4Crawler OffRoad - 4x4Wire discount code Re: Fuel Pump Problem On 87 4 Runner [Re: 4Crawler] #805500 04/16/07 01:53 AM Joined: Oct 2006 Posts: 65 GrangeVille, Idaho M myyota OP Getting the Wheeling Fever Thanks for the info, but like i said above, the truck will only run for about 3 seconds before it dies. it doesn`t matter if its warm or cold, it starts just fine, it just won`t keep running because the power to the fuel pump goes dead. 1986 Toyota 4Runner. Solid Axle Swap, 5'' Lift, 37'' MTR`s, Duel Cases, Detroit Locker Rear, ARB High Pinion Front, 4.88 Gears, Cross Over Steering, Trail Gear Sliders, Addicted Off Road Front Bumper. Re: Fuel Pump Problem On 87 4 Runner [Re: myyota] #805501 04/16/07 02:18 AM Joined: Jan 2000 Posts: 12,153 N. California. USA 4Crawler Web Wheeler Well try the fuel pump test jumper. It bypasses most of the circuits and forces the fuel pump to stay running any time the ignition is on. r.c.brown@ieee.org TruckEditor@tlca.org Project: 4Crawler 4Crawler OffRoad - 4x4Wire discount code Moderated by  4Crawler, 4x4Wire, kewlynx  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 Homepage 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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