Sputtering/Surging

Rosco · 11-05-2004, 07:59 PM

I was wondering what I can check to solve this problem? The car will sputter, or surge when at a constant rpm, under 2500k rpms, which includes idle. It is actually kind of random when it does it. I can't tell under any other conditions that the car will surge like this. It hasn't done this until the temps up here started to dip into the 40's and 50's. I am not really sure what to look at to determine what is causing this? I do get a check engine light sometimes, on and off, which Im pretty sure is due to one of my o2's. The car also surges if there is no check engine light on....

PKRWUD · 11-06-2004, 07:48 AM

What are the codes?

HoodStrype · 11-08-2004, 11:25 AM

TPS (Was my problem- only 20 bucks), air bypass, loose or corroded wire (check the main wire to the firewall), corroded intake/TB...

I am a huge believer in checking or changing sensors... try the TPS first since it's the least expensive! Also I've had a wire trying to come loose causing surge.

Oh yeah... I just read that the "check engine" light blinks on and off... the only thing that will cause that is emissions, like u said an o2 sensor, egr (surging?), gas cap, maf sensor, etc... it really should say check emissions, but i'm no engineer.

GhettoPop · 11-08-2004, 12:32 PM

latemodel resto sells aftermarket TPS for $40-$50, where did you pick it up for $20?

11-05-2004, 07:59 PM	#1
Rosco Registered Member Join Date: Mar 2002 Location: Vestal, NY Posts: 307	Sputtering/Surging I was wondering what I can check to solve this problem? The car will sputter, or surge when at a constant rpm, under 2500k rpms, which includes idle. It is actually kind of random when it does it. I can't tell under any other conditions that the car will surge like this. It hasn't done this until the temps up here started to dip into the 40's and 50's. I am not really sure what to look at to determine what is causing this? I do get a check engine light sometimes, on and off, which Im pretty sure is due to one of my o2's. The car also surges if there is no check engine light on.... __________________ 1989 Mustang 5.0 Conversion, Full Saleen ground effects and spoiler, '94 saleen decal set, '93 Saleen Seats, Black interior from a '93, Steeda quadrant, smog pump delete, a/c delete, Steeda Tri-Ax shifter, '97 rear differential, aluminum driveshaft, 5 lug conversion, '97 rear disc brakes, southside upper and lower control arms, '99 GT Anniversary wheels, flowtech longtubes, flowtech offroad H-pipe, saleen lowering springs, kyb shocks, caster/camber plates

11-06-2004, 07:48 AM	#2
PKRWUD Junior Member Join Date: Mar 1999 Location: Ventura, California Posts: 8,981	Re: Sputtering/Surging What are the codes? __________________ Webmaster: Rice Haters Club Jim Porter Racing Peckerwoods Pit Stop Support Your Local RED & WHITE!

11-08-2004, 11:25 AM	#3
HoodStrype Rearview Mirror Haze Join Date: May 1999 Location: Huntsville, Alabama...a.k.a. "HuntsVegas" Posts: 387	Re: Sputtering/Surging TPS (Was my problem- only 20 bucks), air bypass, loose or corroded wire (check the main wire to the firewall), corroded intake/TB... I am a huge believer in checking or changing sensors... try the TPS first since it's the least expensive! Also I've had a wire trying to come loose causing surge. Oh yeah... I just read that the "check engine" light blinks on and off... the only thing that will cause that is emissions, like u said an o2 sensor, egr (surging?), gas cap, maf sensor, etc... it really should say check emissions, but i'm no engineer. __________________ 93 lx Notch 01 GT ...the epitome of Murphy's Law

11-08-2004, 12:32 PM	#4
GhettoPop Gimme a Drink! Join Date: Dec 2002 Location: NYC Posts: 694	Re: Sputtering/Surging latemodel resto sells aftermarket TPS for $40-$50, where did you pick it up for $20? __________________ 1990 GT,stock T-5,K&N w/o air silencer,March underdrives,FMS wires,timing@14*,PA Perf 130amp alt,Steeda Tri-Ax Shifter,Steeda adj quadrant/clutch cable/firewall adj,Centerforce II clutch,o/r x-pipe,Magnaflow SS catback,g-load brace, subframes,Bilstein struts/shocks,Autometer gauges, 136k and running strong!