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Discussion Starter · #1 ·
2006 sequoia 4.7

starts good and idles for only a few seconds but then idles rough and eventually stalls. the car also stalls almost immediately when given throttle

car ran fine and i changed valve cover gaskets as well as intake gaskets. after reassembly is when the problem started. theres no check engine light and ive been unable to verify fuel pressure the whole time because i cannot connect regular fuel pressure gauge; there is no flex fuel line on the car and all fuel line connectors are bundy/quick-connect.

i have: triple checked all electrical connectors,
cleaned maf ((with correct cleaner) (car starts worse with maf unplugged))
installed new fuel sending unit
taken intake back off to check gasket and reinstalled to same thing
hand checked for vaccum leaks to best of ability
 
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