Issue with VDI acceleration.

Ajaybiz · 28th November 2008, 18:09

Guys i am facing issue with my year old Swift VDI its nothing but whenever i rev her past 3500 RPM in 4the gear she pulls well but after putting in 5 th gear i feels like car is not getting sufficient fuel supply and she slows down the speed drastically, but after 4-5 seconds again she comes back to life after playing around with accelrator padel(keep on pulling and pushing), what could be the issue?It was there before 3rd service and even after servicing still its present, didnt complained to servicing guys as this part i want to get it done in my presence.
M i doing too much with her or its ok with Diesel motors?
For day to day drive means not pushing her beyond 3000 RPM she is quite ok.

gemithomas · 28th November 2008, 23:05

Are you getting this only in 5th gear?

Do you really pull and push the accelerator pedal? Is it kind of stuck? or did you just mean pumping the accelerator pedal.

Where will the rpm be once you change the gear. Is going way below 2K mark?

The best thing to do is to ask the dealer/ service centre to give you a test drive and check the same.

kuttapan · 29th November 2008, 04:06

Quote:

Originally Posted by Ajaybiz

M i doing too much with her or its ok with Diesel motors?
For day to day drive means not pushing her beyond 3000 RPM she is quite ok.

it's defnitely not Ok. Get it checked at the A.S.S, though where are they going to drive to check issue at 3000 r.p.m in 5th gear? Thats well over 120k.

Ajaybiz · 29th November 2008, 20:36

Yes I mean to say pumping but not like we use to do for older 4 wheelers breaks pumping for stopping them, thanks guys let me check with them, hope someone will be having trade mill kind of stuff to take her on 4k RPM at 4th gear.
And before shifting gear yes in all gears the RPM comes down to as low as 2000-2500 RPM.

SirAlec · 30th November 2008, 00:41

acceleration is smooth or you are feeling some jerk (jatka).

s0uljah · 30th November 2008, 10:13

Iv had this once or twice... always thought it was due to a chocked filter.

Ajaybiz · 1st December 2008, 10:23

Acceleration through the gears are all smooth no issue at all if i am not crossing 3500 RPM in 4th cog.

Jaggu · 1st December 2008, 13:10

Check the accelerator sensor and air filter, also for any leaks in turbo plumbing. Take it to A.S.S and get it attended.

jusgetgoing · 1st December 2008, 13:38

Quote:

Originally Posted by Ajaybiz

Guys i am facing issue with my year old Swift VDI its nothing but whenever i rev her past 3500 RPM in 4the gear she pulls well but after putting in 5 th gear i feels like car is not getting sufficient fuel supply and she slows down the speed drastically, but after 4-5 seconds again she comes back to life after playing around with accelrator padel(keep on pulling and pushing), what could be the issue?

I face the same issue in the 5th gear. This happens sporadically and has started recently. Rev is around 2500rpm. Somewhere after 80 km/h, the car refuses to respond to flooring the pedal. Car has done 19000km so far. I have to check with the service guys. 4th service is due.

Ajaybiz · 1st December 2008, 14:03

Yes Jaggu makes sense specially the accelrator sencor and Turbu plumbing part, will get it checked this saturday.

white_vdi · 3rd December 2008, 20:55

guys even i felt something similar today. here is what happened
was getting back home from college and the temperature needle was at its normal position. was revving her. shifted from 3rd to 4th with rpm around 2500 in 4th and there was no throttle response

. she was stuck at 2500rpm. i pumped the gas pedal twice but no acceleration. moved down to 3rd and she was back. this happened twice and after that she was as normal as ever.
do i also check the accelerator sensor, air filter and the turbo plumbing?
happened twice but was fine after that. air filter was cleaned 4 days back only. my car has done 8500kms and 3rd service is coming up. please help!!

@ ajay : is your car running fine now? you visiting your service station this saturday?

Jaggu · 3rd December 2008, 21:07

while engine in switched off state, press the acc pedal completely down, repeat this couple of times, if its minor terminal issue it will be fine.

white_vdi · 3rd December 2008, 22:33

thanks jaggu!!

will get back with an update again.

kuttapan · 4th December 2008, 00:02

Quote:

Originally Posted by Jaggu

while engine in switched off state, press the acc pedal completely down, repeat this couple of times, if its minor terminal issue it will be fine.

Pedal sensor is my guess as well, but why it occurs only in the higher gears, is something I am unable to fathom. Does it mean that the default map the ECU chooses, in the absence of any input from the pedal sensor, is not sufficient to pull the car in higher gears?

When I had the pedal sensor issue, it would occur randomly and the main indication for me was that my car refused to climb the ramp out of my parking place.

white_vdi · 4th December 2008, 00:25

thanks for your input kuttapan

how was your issue resolved?

28th November 2008, 18:09	#1
Ajaybiz BANNED Join Date: Nov 2004 Location: Bangalore Posts: 1,440 Thanked: 320 Times View My Garage	Issue with VDI acceleration. Guys i am facing issue with my year old Swift VDI its nothing but whenever i rev her past 3500 RPM in 4the gear she pulls well but after putting in 5 th gear i feels like car is not getting sufficient fuel supply and she slows down the speed drastically, but after 4-5 seconds again she comes back to life after playing around with accelrator padel(keep on pulling and pushing), what could be the issue?It was there before 3rd service and even after servicing still its present, didnt complained to servicing guys as this part i want to get it done in my presence. M i doing too much with her or its ok with Diesel motors? For day to day drive means not pushing her beyond 3000 RPM she is quite ok.
	() Thanks

28th November 2008, 23:05	#2
gemithomas Senior - BHPian Join Date: Jan 2007 Location: Trivandrum Posts: 2,366 Thanked: 143 Times View My Garage	Are you getting this only in 5th gear? Do you really pull and push the accelerator pedal? Is it kind of stuck? or did you just mean pumping the accelerator pedal. Where will the rpm be once you change the gear. Is going way below 2K mark? The best thing to do is to ask the dealer/ service centre to give you a test drive and check the same.
	() Thanks

29th November 2008, 20:36	#4
Ajaybiz BANNED Join Date: Nov 2004 Location: Bangalore Posts: 1,440 Thanked: 320 Times View My Garage	Yes I mean to say pumping but not like we use to do for older 4 wheelers breaks pumping for stopping them, thanks guys let me check with them, hope someone will be having trade mill kind of stuff to take her on 4k RPM at 4th gear. And before shifting gear yes in all gears the RPM comes down to as low as 2000-2500 RPM.
	() Thanks

30th November 2008, 00:41	#5
SirAlec Senior - BHPian Join Date: Sep 2006 Location: zxc Posts: 3,393 Thanked: 726 Times	acceleration is smooth or you are feeling some jerk (jatka).
	() Thanks

30th November 2008, 10:13	#6
s0uljah Senior - BHPian Join Date: Feb 2006 Location: BLR Posts: 2,222 Thanked: 26 Times View My Garage	Iv had this once or twice... always thought it was due to a chocked filter.
	() Thanks

1st December 2008, 10:23	#7
Ajaybiz BANNED Join Date: Nov 2004 Location: Bangalore Posts: 1,440 Thanked: 320 Times View My Garage	Acceleration through the gears are all smooth no issue at all if i am not crossing 3500 RPM in 4th cog.
	() Thanks

1st December 2008, 13:10	#8
Jaggu Team-BHP Support Join Date: May 2004 Location: Bangalore Posts: 20,215 Thanked: 15,907 Times	Check the accelerator sensor and air filter, also for any leaks in turbo plumbing. Take it to A.S.S and get it attended.
	() Thanks

1st December 2008, 14:03	#10
Ajaybiz BANNED Join Date: Nov 2004 Location: Bangalore Posts: 1,440 Thanked: 320 Times View My Garage	Yes Jaggu makes sense specially the accelrator sencor and Turbu plumbing part, will get it checked this saturday.
	() Thanks

3rd December 2008, 20:55	#11
white_vdi BHPian Join Date: Sep 2008 Location: new delhi Posts: 857 Thanked: 38 Times View My Garage	me too felt the same guys even i felt something similar today. here is what happened was getting back home from college and the temperature needle was at its normal position. was revving her. shifted from 3rd to 4th with rpm around 2500 in 4th and there was no throttle response . she was stuck at 2500rpm. i pumped the gas pedal twice but no acceleration. moved down to 3rd and she was back. this happened twice and after that she was as normal as ever. do i also check the accelerator sensor, air filter and the turbo plumbing? happened twice but was fine after that. air filter was cleaned 4 days back only. my car has done 8500kms and 3rd service is coming up. please help!! @ ajay : is your car running fine now? you visiting your service station this saturday? Last edited by white_vdi : 3rd December 2008 at 20:56.
	() Thanks

3rd December 2008, 21:07	#12
Jaggu Team-BHP Support Join Date: May 2004 Location: Bangalore Posts: 20,215 Thanked: 15,907 Times	while engine in switched off state, press the acc pedal completely down, repeat this couple of times, if its minor terminal issue it will be fine.
	() Thanks

3rd December 2008, 22:33	#13
white_vdi BHPian Join Date: Sep 2008 Location: new delhi Posts: 857 Thanked: 38 Times View My Garage	thanks jaggu!! will get back with an update again.
	() Thanks

4th December 2008, 00:25	#15
white_vdi BHPian Join Date: Sep 2008 Location: new delhi Posts: 857 Thanked: 38 Times View My Garage	thanks for your input kuttapan how was your issue resolved?
	() Thanks