fireater

Backyard Mechanic wrote:
> cittra3333 <DoNotEmail@www.autoforumz.com> wrote:
>
>
>>"" wrote:
>>
>>>cittra3333 <UseLinkToEmail@www.autoforumz.com> wrote:
>>>
>>>
>>>>I have a 1984 ford pickup with the 5.0 EFI in it. it will
>>>
>>>start up and
>>>
>>>>run fine then after a while its like the timing changes it
>>>
>>>starts to
>>>
>>>>buc and miss i hear my lifters rattling and my tach meter
>>>
>>>jumps all
>>>
>>>>over the place (not with the engines real RPMs it just
>>>
>>>bounces every
>>>
>>>>were).
>>>> It starts to over heat i smell burnt oil. Kinda seems like
>>>
>>>it desles
>>>
>>>>when its running. I changed the coil cap and roater. I dont
>>>
>>>think its
>>>
>>>>the Ignition control module because there either good or bad
>>>
>>>not kinda
>>>
>>>>bad or going bad if it was bad it wouldnt start. Then when
>>>
>>>it dies and
>>>
>>>>i try to start it again it cranks over hard like its way out
>>>
>>>of time
>>>
>>>>the only thing that controls the timing is the ICM. Also it
>>>
>>>dosnt do
>>>
>>>>it all the time. It will go away then come back.
>>>>
>>>
>>>1. No... the TFI is NOT always 'good or bad'
>>>
>>>2. You seem to understand a fair amount about the TFI, so
>>>here's a
>>>thought:
>>>
>>>- what is the physical indication that a TFI is likely to be
>>>going bad?
>>>
>>>Bottom line, you're probably going to pull that TFI off there
>>>and find
>>>you've let a perfectly good TFI go bad by not keeping the lube
>>>fresh
>>>every five years or so.
>>>
>>>It COULD also be the ignition pickup.
>>>--
>>>Yeh, I'm a Krusty old Geezer, putting up with my 'smartass' is
>>>the price
>>>you pay..DEAL with it!
>>
>>The TFI was replaced about a year ago when it went out i had no spark.
>>But im going to take it off and put another on it to make sure also
>>Were is the ignition pick up and could that cause it to freak out then
>>run fine the truck will bump over if you shut it off and try to start
>>it up right after it starts having its problems. The TFI is the only
>>thing that controls the Tach and the Timing isnt it :?: Thank you
>>
>
>
> pickup is inside the distributor. it may be bad and could cause those
> symptoms.
>
> And yes the TFI COULD be bad .. esp if there's no brand on it and you
> bought it at a discount AP store.
>
as a side note.... did ford have efi in 1984 f 150 5.0l? in canada it
was 1986 for first year of efi in ford pickups