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Ford Bronco Problems

231 messages,  Last post on Nov 21, 2009 at 2:24 AM

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#56 of 231 1988 Bronco II running problem by sgrasso1 Aug 15, 2007 (8:10 am)
I recently bought a 1988 with 89,000 miles (confirmed by car fax) drove it from San Francisco to Salt Lake City. It ran perfectly until I tried to go up in one of the canyons. The engine quit. Had it towed to a Ford dealership. They replaced the in tank fuel pump. It now runs but when I drive it up a steep canyon road it looses power and almost comes to a stop. If I apply full throttle I get power back again. Also, if I come to a complete stop and wait the engine runs very ruff then as though a switch is thrown it runs perfectly for a time. Once I start driving up again the whole process starts again. The rough engine and sudden on occurs even going down the mountain. I took it back to Ford they replaced a couple of electronic engine components to the tune of $800 and when test driven up the hill it did the same rough on and off. Salt Lake is about 4600 feet and the canyon road climbs to over 7000 rather quickly. Need help!!!! Any suggestions please!! Thanks Steve Replies to this message: deacon2 (Aug 23, 2007 5:26 pm) sgrasso1 (Aug 23, 2007 8:58 pm)
#57 of 231 Re: 1988 Bronco II running problem [sgrasso1] by deacon2 Aug 23, 2007 (5:26 pm)
Replying to: sgrasso1 (Aug 15, 2007 8:10 am) I would first find out what type of fuel pump was installed in the fuel tank. Some vehicles cannot operate appropriately with "stock" parts, Bronco is one of them in regards to fuel pumps, especially if you live in a mountainous region. I would also have the fuel injection system cleaned, or carburator if still equipped. Steep inclines like going from 4600 - 7000 feet will obviously make the system operate harder. Also have a diagnostic done to see if your EGR valve is in need of replacement. This is a fuel recirc system that may explain the rough running but not the loss of power going up and down hills, that is probably your type of fuel pump. Replies to this message: sgrasso1 (Aug 23, 2007 8:58 pm)
#58 of 231 Re: 1988 Bronco II running problem [deacon2] by sgrasso1 Aug 23, 2007 (8:58 pm)
Replying to: deacon2 (Aug 23, 2007 5:26 pm) Thanks for your comments. Do you have any idea what fuel pump I should put in as you know this is the in tank low pressure pump. I also understand there is a low pressure regulator in conjunction to the pump. Could that be an issue?
#59 of 231 Bronco 2 problems by jamfar123 Aug 31, 2007 (1:23 pm)
i currently just baught a bronco 2 and for some reason its not running right. it starts right up and when u go some where it has no power and it tops at 10 to 15 mph so please help me
#60 of 231 Re: 95 bronco airbag light [wjames] by miesk5 Sep 27, 2007 (4:17 am)
Replying to: wjames (Jun 24, 2007 3:36 am) YO James! Some info for you; The air bag indicator will flash the appropriate diagnostic trouble code to indicate the suspect circuit. If the indicator is malfunctioning the tone will be heard. * Diagnostic trouble codes are prioritized numerically so if two or more different faults occur at the same time, the fault having the highest priority will be displayed first. After that fault has been corrected, the next highest priority fault will be displayed. Air Bag Diagnostic Codes, 92 Up, Ford Source: by screwy http://screwy.clubfte.com/ Most common fault is the Clock Spring; can DIY if you are familair w/electrical/mech repairs or take it to a dealer.   Do you have a horn &/or cruise contrl prob too? if so; Air Bag Diagnostic Code 32, Driver Side Air Bag Circuit High Resistance or Open, Ford Source: by Jim G http://www.alldata.com/techtips/1999/19990927a.html   and some DIY repairs to the Air Bag Clock Spring in my Bronco Tech Links site; http://www.broncolinks.com/index.php?index=775   GL! Replies to this message: djmeltdown65 (Jan 30, 2008 11:04 am) miesk5 (Jan 31, 2008 3:40 am)
#61 of 231 Re: 95 ABS light [falcon8] by miesk5 Sep 27, 2007 (4:21 am)
Replying to: falcon8 (Apr 03, 2007 5:52 pm) yo Falcon! a 4WABS Overview first for you; link title http://www.supermotors.net/vehicles/registry/media/255501_1   As you can see, just use the 12v test light to check the Codes and some 4WABS DIY repairs in my Bronco Tech Links site; http://www.broncolinks.com/index.php?index=240 GL!
#62 of 231 Re: 95 Bronco Transmission Problem [wjames] by miesk5 Sep 27, 2007 (4:31 am)
Replying to: wjames (Jun 02, 2007 5:54 am) YO Oldblue! Do you have a check engine Light on? If so, did the shop scan for the Code(s)? if so, post the Codes here for another reply. or DIY: Self Test & Connector Location & pics, Bronco & Ford BEST PROCESS WITH DIAGRAMS! Source: by Ryan M http://fordfuelinjection.com/?p=13   One possibility is; E4OD Converter Overheating Failure Source: by ATC-Distribution Group Inc. atcdg.com via web.archive.org   E4OD Trouble Shooting Flow Chart Source: by jasperengines.com via web.archive.org http://web.archive.org/web/20030403064312/www.jasperengines.com/flowtran.pdf possible falts could be the TPS (cheap part/replacement) or VSS (ABS Sensor on rear 8.8 differential) - not likely, but a poss.   and some E4OD DIY repairs in my Bronco Tech Links site; http://www.broncolinks.com/index.php?index=63 of course, there is a wide range of poss. faults, so any Codes will help narrow it down. GL!
#63 of 231 1995 Bronco with slight skip by gmedeiros83 Oct 01, 2007 (1:36 pm)
When at cruising speeds i notice a slight skip. As soon as i put the motor under a load and the tranny downshifts, it goes away until i start cruising again. Now i have replaced wires, plugs, cap and rotor. Just looking for a diagnosis. Replies to this message: miesk5 (Oct 02, 2007 10:24 am)
#64 of 231 Re: 1995 Bronco with slight skip [gmedeiros83] by miesk5 Oct 02, 2007 (10:24 am)
Replying to: gmedeiros83 (Oct 01, 2007 1:36 pm) yo! Have a Check Engine Light on? get it scanned or DIY   Self Test & Connector Location & pics, Bronco & Ford BEST PROCESS WITH DIAGRAMS! Source: by Ryan M http://fordfuelinjection.com/?p=13   do self test anyway; some faults do Not light the CEL since, "Don’t worry if the Check Engine Light is not on, the computer will store lesser important codes without flashing lights in your face." and; A technician that is unfamiliar with the EEC Self-Test can mistakenly believe that continuous Memory codes are not present when they really are. He may run KOER Self-Test and get a pass code (111) and not realize that KOEO Self-Test must be run to receive any Continuous Memory codes. He may run KOEO Self-Test while counting MIL flashes and misinterpret the repeated hard fault pass code (111) to mean that Continuous Memory does not contain any codes. Source: by Ford via miesk5 A technician that is unfamiliar with the EEC Self-Test can mistakenly believe that continuous Memory codes are not present when they really are. He may run KOER Self-Test and get a pass code (111) and not realize that KOEO Self-Test must be run to receive any Continuous Memory codes. He may run KOEO Self-Test while counting MIL flashes and misinterpret the repeated hard fault pass code (111) to mean that Continuous Memory does not contain any codes. Source: by Ford via miesk5   How did the plugs look?   post and I'll try to get it closer than a wag... GL!
#65 of 231 Re: Speedo sensor [94eddyb] by mattjin Oct 05, 2007 (5:14 am)
Replying to: 94eddyb (Feb 18, 2006 9:36 am) My 95 xlt had the same problem. Because the speedo controls the tranny's shift points when it jumps around it tells the tranny to change gears. Most likely a bad speedo. Search ebay for gauge pods and replace you speedo. It only takes basic skills and all in all mine cost around $65 total. I also replaced the speed sensor thinking it was that but no change there. Good luck

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