4.6 / antifreeze
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4.6 / antifreeze
Great site!! New poster here. Looking for info.
I have 98 f150 4.6,163k,burning a/f on start up only. Misses for a minute or two then clears up. Not adding alot of a/f to coolant jug but some. Been a mechanic all my life [47yrold] but i've never been into a triton motor before. Thats one of the reasons for buying it. Do these engines have intake/gasket problems as I have seen with the competion.
I have 98 f150 4.6,163k,burning a/f on start up only. Misses for a minute or two then clears up. Not adding alot of a/f to coolant jug but some. Been a mechanic all my life [47yrold] but i've never been into a triton motor before. Thats one of the reasons for buying it. Do these engines have intake/gasket problems as I have seen with the competion.
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From: Long Island USA
Originally Posted by LxMan1
Check the front crossover.
That would be the coolant crossover on the intake leaking into the intake ports.
Maybe you have a heater hose leaking right onto one of the plug holes, that's usually #4... check all the plugs anyway, just in case it's not something major
You might want to get the misfire counters read. That'll help narrow down the problem, at least.
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So is it safe to assume if its intake problem #1 & #5 would be getting a/f ? If so I can pull those two and presurize system to see if a/f is there.
I have scan tool at work, it doesn't miss long enough to set a code, but it does set a code. Can't remember # right off hand but it says gross vacum leak detected. Sometimes I reset it sometimes it clears it self.
I know its not heater hose problem its inside not outside....steams out the exhaust and the sweet smell for about 2 mins. upon start up after sitting overnight or after work.
At my day job I"m a tech. So you know how I feel about working on my own stuff ?
I have scan tool at work, it doesn't miss long enough to set a code, but it does set a code. Can't remember # right off hand but it says gross vacum leak detected. Sometimes I reset it sometimes it clears it self.
I know its not heater hose problem its inside not outside....steams out the exhaust and the sweet smell for about 2 mins. upon start up after sitting overnight or after work.
At my day job I"m a tech. So you know how I feel about working on my own stuff ?
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