I left for Iraq for 5 months, someone drove my car once and stated there were no problems and it was fast. Got back, started it up and about 3 miles down the road, I noticed hesitation. As I went on, it got worse. I was figuring it was a bad fuel filter because the gas is definitely pretty bad by now and it was an old filter to begin with. Does this sound on target??? Also, anyone have a good tech article on how to change it? I'm not too terribly mechanically smart, so any pointers would be appreciated. Thanks!
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it takes a lot to clog up a fuel filter. You said it's old, how old?
IS the hesitation throughout the rpm range? Or is it only at slight acceleration? More details would help.
I doubt it's your fuel filter. Have you filled up since you got back and started driving? Could be bad fuel.
Again, I doubt it's your filter...
Give us more details. Any codes being thrown?
Christopher Teng
1999 · A4 · 3.73's · Auburn LSD · Whisper Lid · K&N · Pacesetter Headers/Y-pipe
Magnaflow Cat & Catback · MSD Coils/Wires · Bosch +4 Plugs · EGR Bypass
B&M SuperCooler · 160* Stat · Descreened MAF · SLP CAI · BMR STB & SFC
Strano Sways · Eibach Springs · Bilstein HD Shocks · Hawk-Pads · Brembo Blanks
Speedlines · Nitto 555s · Texas Speed Mail Tune
Lots of Weight Savings · Stubby Antenna · Corbeau TRS · Zaino · 273K
F-Body Dirty Dozen -
Oh yeah...details on your car would help. I figure you're in a Firehawk. Year, engine, mods would help. We usally put info as our signature.
Christopher Teng
1999 · A4 · 3.73's · Auburn LSD · Whisper Lid · K&N · Pacesetter Headers/Y-pipe
Magnaflow Cat & Catback · MSD Coils/Wires · Bosch +4 Plugs · EGR Bypass
B&M SuperCooler · 160* Stat · Descreened MAF · SLP CAI · BMR STB & SFC
Strano Sways · Eibach Springs · Bilstein HD Shocks · Hawk-Pads · Brembo Blanks
Speedlines · Nitto 555s · Texas Speed Mail Tune
Lots of Weight Savings · Stubby Antenna · Corbeau TRS · Zaino · 273K
F-Body Dirty DozenComment
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Rob B 95Z A4 Tech Page (Part numbers / locations, how to's, schematics, DTC's...) Home Page - shbox.comComment
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My car is pretty stock (for a Hawk) but a Hawk only has exhaust done (I gutted the cat) and ram air. The hesitation doesn't start until about 3 miles after starting the car up and then gets worse as you drive it. It pretty much affects most of the RPM range, I can't find a place or throttle setting where it's not apparent. Haven't had it plugged up and haven't seen any error codes but my SES light isn't on.
The fuel filter is at least 30000 miles old, probably more. I just bought the car (about a year ago). My car is a 95 HawkComment
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Some codes, even one for the optispark, do not cause the SES to come on. You will be able to retrieve them with a scanner, though.Originally posted by firehawk157Rob B 95Z A4 Tech Page (Part numbers / locations, how to's, schematics, DTC's...) Home Page - shbox.comComment
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Me and my brother put together our craniums together and found out it's the opti, so does anyone have a good tech page for how to do an optispark swap??? ThanksComment
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