Question about 1988 Ford Bronco II

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I have a 1988 ford bronco full size xlt it is ideling low when u

I have a 1988 ford bronco full size xlt 351 v8 it is ideling low when u give it gas and let off trucks idle goes all the way down and shuts off start it back up does same thing it kinda runs rough to

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  • SurveyorT100 May 11, 2010

    Check the exhaust compression might be a cloged cataylatic converter.

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I just had the same issue with my 88 xlt w/351 W it wound up being the MAP sensor and the timing. I would check both of these and see if it solves your issue.

Posted on Apr 23, 2009

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If its throttle body, give it a good cleaning with carb cleaner while its running and hold open the throttle so it wont die. also I would check out the TPS (throttle position sensor) pretty cheap fix.

Posted on Feb 20, 2010

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How about a vaccume leak ???

an 88's hoses gotta be pretty cracked by now

and a vac leak will exibit all the simptoms you have

Posted on Jul 08, 2009

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Iac valve stands for idle air control valve or the ignition module coul be goin bad id do a fuel pressure test first

Posted on May 22, 2009

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2 Answers

What can I do to fix my 1988 Ford Bronco xlt with a 351 engine that has rough idle and loss of power when in drive?


Fuel filter. Low fuel no power. Catalytic converter. no air out, no air in. loss of power.

Jan 25, 2015 | 1988 Ford Bronco

1 Answer

1988 ford bronco full size 4x4 installed new fly wheel and now it will not shift out of low gear


check that you have installed the gear lever in the shift rail when you refitted the lever tower on top of the box

Nov 07, 2014 | 1988 Ford Bronco

1 Answer

WHERE IS THE SPEEDOMETER FUSE ON A 88 FORD BRONCO XLT (FULL SIZE my speedometer and milege gadge isnt working ..was told to ck the fuse ...wher is that??


Sorry there is no fuse for this it runs off of the speedometer cable, the gear on the end is bad or the connection the the transmission is loose or not attached. it is on the drivers side of the transmission toward the back of the transmission..

Oct 26, 2010 | 1988 Ford Bronco II

1 Answer

Ford 351 windsor engine diagram


ford-351-windsor-engine-diagram-p05qnqdskqjeezv3eiltmave-1-0.jpg Here's a mechanical blow-up of an 80's 351w engine.



ford-351-windsor-engine-diagram-p05qnqdskqjeezv3eiltmave-1-2.jpg and the firing order layout.
hope this helps...

Jun 23, 2010 | 1991 Ford Bronco

1 Answer

I have a 1988 ford bronco it is ideling low when u give it gas and let off trucks idle goes all the way down and shuts off start it back up does same thing it kinda runs rough to


I am assuming it is a carburated engine. Sounds like the accelerator pump is not pushing the extra fuel when required as the accelerator is depressed. Time to rebuild the carb. The kit will contain a new accelerator pump. Look for a tag on top of the card with numbers and letters on it. It will let the parts house you go to know what specific carb is on the vehicle so you can get the correct rebuild kit. Good luck.

Feb 17, 2009 | 1988 Ford Bronco II

1 Answer

Fuse for 88' Ford Bronco


Fuse #1 20amp: Headlight Flash-to-pass; Daytime running lamps ( Canada Only ) OR Fuse # 19 40 amp maxi.; Headlamps.

Jan 21, 2009 | 1988 Ford Bronco

2 Answers

1990 Ford Bronco Stalling


try cleaning your throttle plate and iac valve

Nov 20, 2008 | 1987 Ford Bronco

1 Answer

1989 BRONCO XLT WITH A 5.8 351 CLEAVLAND


The Bronco did come with the 5.8L. It's a 351 Windsor though. Ford quit making the Cleveland engine back in '74. You should have a vacuum diagram under the hood of your truck.

Aug 11, 2008 | 1989 Ford Bronco

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