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somebody give me some ideas!!!!

could a few of the injectors be bad?

 

if i were you id take the injectors out, clean them up, put them back on and see if that is it, if that doesnt work then i have no clue

 

If you had not mentioned the part where you changed the oil and fuel filter one time and it was okay, I would say it is a bad lifter, broken valve spring or bent pushrod.

Easy enough to pull the valve covers for a quick inspect of the springs. Remove the rockers to inspect the pushrods while you are there and then try to physically push down on each pushrod to see if you can make any lifter collapse at all. They should not push in at all.

Back to the change oil and filter issue. possibly a bad injector, and maybe someone can swap a complete fuel rail for a quick test.

Hope this helps.

Mike

 

thanks that's some good info

a thought....

if it were something mechanically broke/bent like a spring or pushrod, it wouldn't be an intermittant "1 month runs fine, 3 days runs like crap"

would it

i'm still thinking its either a lifter or injector

we'll see what happens after the oil flush and plenty of injector cleaner

 

yeah, the runs fine at one point and bad another really skews thinbgs, but easy enough to check and get off the "possible" list for the most part. good luck.

Mike

 

Is the cumputer "up to date". Do a scam and see what it might say? .02