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Author Topic:   Dually Runs Like $%it
FALCOMANIA
Journeyman

Posts: 58
From: Opelika Ala USA
Registered: Apr 2003

posted 03-28-2004 11:49 PM     Click Here to See the Profile for FALCOMANIA   Click Here to Email FALCOMANIA     Edit/Delete Message   Reply w/Quote
Got a 90 F350 that is kinda lazy but just encountered a bigger problem. Was towing this weekend on interstate running along about 75 mph for about 25 min. then came up on a wreck was in backed up traffic for about 4 miles bearley creeping along then it happened. Started loosing cyls. just like plugs fouling then finally quit restarted it numerous times then limped off the ramp and sit for a while and let it cool down (note engine is NOT running hot) started back up and ran pretty good about 15 miles to track. Started home 2 days later and started loosing power again but was not in traffic jam pulled off for about 20 min. started up and made it home but kinda sluggish. Whats kinda strange is that my check eng. lite goes off and on but when this starts it goes out any suggestions?

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SteveLaRiviere
Administrator

Posts: 43151
From: Saco, Maine
Registered: May 99

posted 03-30-2004 07:13 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
I'm not into oil burners, but how is your fuel filter? Those diesels live and die by those, don't they?

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'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip

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MLariviere
Moderator

Posts: 3984
From: Biddeford,Me.USA
Registered: May 99

posted 03-30-2004 08:46 PM     Click Here to See the Profile for MLariviere   Click Here to Email MLariviere     Edit/Delete Message   Reply w/Quote
Is it a diesel? If not,put a code scanner on it. I would guess the oxygen sensor went bad.

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SteveLaRiviere
Administrator

Posts: 43151
From: Saco, Maine
Registered: May 99

posted 03-31-2004 08:16 AM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
I assumed it was a diesel, my mistake.

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'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip

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68F100
Gearhead

Posts: 2377
From: Fort Madison, Iowa USA - United We Stand
Registered: Oct 99

posted 03-31-2004 10:01 PM     Click Here to See the Profile for 68F100   Click Here to Email 68F100     Edit/Delete Message   Reply w/Quote
My buddy suggests the barometric pressure sensor, or even the cat converter.

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SteveLaRiviere
Administrator

Posts: 43151
From: Saco, Maine
Registered: May 99

posted 04-01-2004 01:17 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Do you mean the MAP sensor?

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'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip

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