Weird surging help !!!!!!

[dazza89]

hay guys havn't had to post anything for my hole time being a member.but im clue less any help could be great so here it goes.

for the past 2 weeks my car is surging at 75 to 80 km or if i try use to much throttle.ive changed map sensor,spark plugs twice,leads twice

replaced fuel pump,fuel filter,coil pack,throttle body and of worse the ECU but no change.

car only does this in gear and if i go for drive out of town for bout 45 minutes it will play up

big time.then i can only do 40 km max beleve me it is one slow trip.last thing will be to drop it into an auto electrician so any help would be great

[Not_An_Abba_Fan]

Have you done an error code check?

[James39]

Changed the TPS and or DFI yet?

[seq4x4]

Mine was a cause of a combination of failed oxys and a manifold leak. But could also be failing coils, dfi, leads and or plugs. TPS Could also play a part. Do a error code check to try narrow it down.

[mrv8]

Mine does the same, and its a faulty TPS. They are reasonaly cheap to replace, I'm just lazy and live with,
Anthony.

[seq4x4]

Replace with the genuine. Iv gone through 2 ebay TPS and IACs as they #### out too easy. Hell the genuine second hand TPS iv got on now has lasted longer.

[aussie4life11]

mine was doing that but then i isolated the problem. i was getting a spasim in my leg and i just couldnt stop myself from putting my foot flat to the floor. lol

[St3alth187]

Also check your knock sensor. Drivers side of the engine, below the powersteering pump. I had a surging problem, although mine got worse and limited me to 20km/h. And then was fine 2 hours later.
I found that the wires had come out of the sensor.

Cheers,
Jake.