Runs Great Till U Get Off Of It

[84ttype-hotair]

I Get On A Little Just Briging The Boost Up To 12 Psi Just For A Short Distance 500' Or So Then When I Come To A Stop And Then Go It Seems To Back Fire And Skip Any Ideas? Then I Park It For A While Then Go It Seems To Run Fine Again

 

[Daniel Jost]

what is your Throttle position sensor voltage reading at, i had a bad connection that would do the same thing, if you dont have a scan tool try unplugging it and plugging it in a couple times, if you have a scan tool check the values maybe the wire might be bad or the tps might be bad or it might not even be related? get back to us.
,Dan

 

[84ttype-hotair]

i have a scan tool 2.1 and the tps its set @.44at idle then at wot 3.9-4.0 iac set 32 at hot idle and the copumter is is in open loop fuel press is at 43 psi with vav cap off rmp is around i think low at 675 rpm
thanks for the help

 

[Daniel Jost]

who is your chip maker? does the TPS flicker around at all or is it a dead set .44?
,Dan

 

[84ttype-hotair]

its dead on @ 44 the chip i not shure its says ,street 64#

 

[SHADOWII]

Check...

the tps w/your multi-meter for smooth operation all the way thru the travel. Sometimes they get wear spots and lose contact, causing havic in throttle response. Also check the maf, it's known to cause problems as well.

 

[84ttype-hotair]

changed the maf today i will see how it runs tonightnthanks

 

[84ttype-hotair]

she ran good no moore backfiring or stalilng but on wot it hasitats a little bit and the 02 are l on the scanmaster its 850 thanks for your help

 

[Daniel Jost]

850s is kinda rich, try pulling some fuel, and see if you get any knock, if you don't you are good to go.
,Dan

 

[84ttype-hotair]

how do u take fuel out? thanks for the help

 

[Daniel Jost]

if you have on of eric's chips just pull it out of there, other wise if you have an adjustable FPR just turn the pressure down maybe a psi at a time.
,Dan

 

[84ttype-hotair]

If I Turn The Boost Up A Little Will That Also Lean It Out Also Im Only Running About 12 Psi