sputtering and misssing

B

blk92

New Member

Jan 22, 2004

55

0

0

Mar 28, 2004

#1

• Mar 28, 2004

• #1

it will run fine for a min then i will stop at a light and it will miss and sputter at part throttle if i floor it it will clear up.
i have replaced the pcv valve, spark plugs, wires, cap and rotor,checked timming, fuel pump, fuel pressure reg. cannot fique out the problemshould i change the 02 sensors they have 115000miles on them or will a custom burned chio from murrillo motorsports clear it up

 

R

racerraj

Founding Member

Dec 17, 2001

493

32

39

Dickson, TN

Mar 29, 2004

#2

• Mar 29, 2004

• #2

Bump, I'd like an answer too.

 

N

noslow5_0

New Member

Nov 7, 2003

422

0

0

dallas tx.

Mar 29, 2004

#3

• Mar 29, 2004

• #3

it could be a bunch of things.... timing, vacuum leak, running lean... do you have an afpr??? if so, try to richen it up some... run the codes, to see whats going on...

 

N

noslow5_0

New Member

Nov 7, 2003

422

0

0

dallas tx.

Mar 29, 2004

#4

• Mar 29, 2004

• #4

oh and have you set or messed with the throttle stop screw or tps??? also how old is you IAC???

 

B

blk92

New Member

Jan 22, 2004

55

0

0

Mar 29, 2004

#5

• Mar 29, 2004

• #5

the iac has never been replaced when i unplug it it runs a little better

 

jrichker

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Mar 10, 2000

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234

Dublin GA

Mar 30, 2004

#6

• Mar 30, 2004

• #6

Dump the codes and see what the computer says is wrong…

Here's the link to dump the computer codes with only a jumper wire or paper clip and the check engine light, or test light or voltmeter. I’ve used it for years, and it works great.

See http://www.troublecodes.net/Ford/
OR
See http://www.dalidesign.com/hbook/eectest.html for more descriptive help
OR
See http://www.mustangworks.com/articles/electronics/eec-iv_codes.html