[AT] off topic, need help on new parts chasing truck.

[Richard Fink Sr]

Bo i would agree with converter being plugged. That is about how long it 
takes to get exhaust hot and show problems.IF it can be disconnected i 
would try that first.
R Fink
PA



.
On 1/31/2015 9:30 AM, Bo Hinch wrote:
> I have ran ATF thru the intake on older vehicles and it cleaned the carbon
> build-up on the valve stems and then ran OK . In this case , I would
> probably mix a upper lube with the gas and also put it in the oil and run
> it . It might be a good idea to remove exhaust while running the oil thru
> the intake . Another thought is , is the catalitc converter plugged ????
> my thoughts only
> Bo Hinch in Sulphur,la.
>
> On Fri, Jan 30, 2015 at 10:34 PM, Cecil R Bearden <crbearden at copper.net>
> wrote:
>
>> Just purchased a 2000 f150 4x4 Lariat supercab 5.4L with all the bells &
>> whistles.. Previous owner bought it at auction and it started running
>> rough, they took it to a reputable mechanic who replaced all spark
>> plugs, coil packs, lifter, rocker, and spring on the #7 cyl . They used
>> a camera to look at piston to determine if valve had struck piston.
>> Valve is still sticking. It will start and run fine for 5-10 seconds
>> then too rough to keep idling. sorta smooths out at 2000 rpm. I talked
>> to the mechanic who said that they spent over $1000 or work & time
>> trying to unstick the valve. The valve would unstick when they pulled it
>> up, but the cam would stick it down.  It runs fine for about 5-10
>> seconds after starting then runs so rough that it will barely move out
>> of its tracks. P.O. said that he put a new battery in it and then took
>> it for a drive to go to the detail shop and it started running rough.
>> They then took it to the mechanic.  P.O. decided not to put any more
>> money in it when told that the valve was stuck.Mechanic told me he did
>> not think valve was bent.
>>
>> I have posted on Ford truck Enthusiasts forum and only received dumb looks.
>>
>> Any suggestions??
>>
>> Cecil in OKla
>>
>>
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