Still having problems with a couple cylinders not firing all the time at idle, resulting in a miss. It idles Ok on startup then when it goes to normal idle, the missng starts. It all started after we did a full monty tuneup including fuel injector service, new plugs and wires, cleaned the TB,changed the fuel filter,etc. I installed a MSD TBF ciol and am waiting for a set of 8.5mm wires to try that. The truck runs like a bear under accelaration and at high speed. Any ideas? Also as a side note: I can buy a complete set of 24lb injectors for our Mustang for $225, but injectors for the 351 are $50.00 a piece, does this sound right?
Rough Idle On 93 W/351
Started by
Guest_Capt Buck_*
, May 14 2004 06:47 PM
6 replies to this topic
#2
Justshootme84
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F-Series Commander
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Posted 14 May 2004 - 07:41 PM
Sometimes you need to disconnect the battery to reset the ECM or computer. Aside from that, did you clean/replace the IAC valve? And I don't know what the prices are on the injectors, but that does sound high at $50/each!
1984 Bronco XLT, 351W H.O., C-6 AT, Ford 9", SkyJ 6" lift, 35" tires on MT Classic rims, S&W Racecars 10-pt cage kit, custom "shaker" assembly.
1988 Bronco Custom, 302 EFI, C-6 AT, Ford 8.8". parting out
1986 Bronco Custom, 300I-6, NP435
1988 Bronco Custom, 302 EFI, C-6 AT, Ford 8.8". parting out
1986 Bronco Custom, 300I-6, NP435
#5
Guest_Capt Buck_*
Guest_Capt Buck_*
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Posted 15 May 2004 - 05:57 AM
Yup, changed the cap and checked the wires about 657 times. My mechanic also had the truck for two days and did everything over just to make sure. The truck does run better overall and the fuel milage got better and it pulls our 20 ft boat like nothing now, just idles like crap.
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