Took me 3 Weeks to Figure out!


Ryannn

10+ Year Member

Joined
Jan 15, 2011
Messages
1,063
Points
1,601
City
Carson City, NV
Transmission
Automatic
So for the last Month or so my truck has been running like crappp! I replaced Fuel Filters, Spark Plugs, Wires, Oil, Oil Filter, Air Filter, Used Fuel System Cleaner, and was about to replace my Cat today, But I popped my hood and was checking to see If I had anything un plugged and what not, Turns out the that a vac line was broke.. the one leading from my Upper Intake Manifold to my Fuel Pressure Regulator.. Went To the parts store and asked if they sold them he said no.. then said he has some vac line you could connect the two pieces together, and now my truck runs Amazing!! Just thought Id share made my week! :icon_cheers:

Ryan
 
yep, vaccum leak can cause all kinds of greif, and ive found that the vaccum caps that are sold in the parts stores are all made with chinese rubber, so after about 6 months of being on the manifold vaccum tree they start to crack from the engine heat and cause strange idle problems.
 
You know what else sucks?

IMRC. Vac leaks and IMRC. And cam phasers.
 
it was probably time for a tune-up anyway......glad u found the prob.
 

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