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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

88 F150 Starting problems

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Old Apr 8, 2015 | 06:04 PM
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88 F150 Starting problems

Ok Folks Still trying to figure this truck out. when i picked the truck up it had not run for some time. I replaced pumps, cleaned tanks, blew out lines, changed filters, put in injector orings and new screens, did the tune up stuff. I can get it to run but only if with a small shot of ether. then it will run on its own, It does have a high idle that wont come down. I cleaned IAC and the throttle body, new gaskets on upper intake also. Well, I was under the truck looking around and it looks like there is not an O2 sensor, the wire is there but the exhaust looks cobbled together, so no bung. is this the reason why it will not start without the shot of ether? Its 88 F150 302 4 speed. Motor sounded fine except high idle and no smoke so I am happy there. any suggestions would help I would like to sort this out. Thanks
 
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Old Apr 8, 2015 | 11:10 PM
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bump Anyone?
 
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Old Apr 8, 2015 | 11:47 PM
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I doubt that the O2 sensor is the culprit of your starting issue. You need to pull engine codes. Do you have a code reader? If not, ther is a way to get codes without one.
 
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Old Apr 9, 2015 | 08:33 AM
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No, I dont have a code reader. I will look in the book about reading codes. Thanks.
 
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Old Apr 9, 2015 | 12:16 PM
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I figured out why it wouldnt start on its own, then have a high idle. The IAC wasnt working. I unplugged it while it was running and the idle dropped and the truck will start without it plugged in.
 
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Old May 11, 2015 | 11:54 AM
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That did not cure the no start without ether, so I cracked open the computer and sure enough one of the componets was toast, Replaced the computer and it started just like it should.
 
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