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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

High Idle

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Old Nov 15, 2003 | 05:14 PM
  #1  
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fast77
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From: Holtwood, Pa
Angry High Idle

Hiya guys...... Damn truck.....I have a 1988 Ford F-250 5.8
HD......4wd......She will now not come down off high idle when started.....any ideas......also I was told that there is a rating tag under the hood that will tell me axles and whatever....any idea where this tag is?????thanx guys
 
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Old Nov 16, 2003 | 04:20 PM
  #2  
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AllFords1022
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From: new jersey
carb or fuel injection ????? wadda ya have ?
 
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Old Nov 17, 2003 | 02:47 PM
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fast77
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From: Holtwood, Pa
Smile Rating tag ???

Well...I suppose my high idle problem has been corrected....and by the way it is efi....apparently after having the battery disconected, the computer needs time to reset itself.next question...I am told there is a rating tag under the hood, telling me what rears I have and so forth...anyone know where this is....88 F-250 HD 4wd efi..also would there be any place telling me what options this truck has???thanx alot guys
 
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Old Nov 17, 2003 | 03:08 PM
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From: Bonita Springs FL
It's not under the hood. It's on the driver's side door post.

You can also get axle codes off the tags on the differential bolts on both the front and rear diffs.

The sticker on the post has to be decoded. There will be a two digit code that needs to looked up in your owner's manual. The diff tag will have something like '3 55' for a 3.55 open diff or '3L55' for a 3.55 LS diff.

You can also do a search to get more information.
 
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