Latest Forum Post
S-Africa,Uganda,World to join illuminati to be Rich call +27673888284
S-Africa,Uganda,World to join illuminati...
Try to join illuminati to become a Billionaire call +27673888284
Try to join illuminati to become a Billi...
Verified Pregnant Spell to help you have Kids call +27733445570
Verified Pregnant Spell to help you have...
How to bring back your lost Love who left you call +27733445570.
How to bring back your lost Love who lef...
In Usa,Uk,etc best Court spell to Win Court Cases call +27673406922
In Usa,Uk,etc best Court spell to ...
Philadelphia,Usa (No.1) Love Spell to bring Lost Love Back call +27733445570.
Philadelphia,Usa (No.1) Love Spell to br...
Strong Revenge and Death Spells to fight Enemies call +27673406922
Strong Revenge and Death Spells to fight...
U.S.A best Money Spell to solve financial problems call +27673406922
U.S.A best Money Spell to solve financia...
Germany made best qulity SSD Chemical Solution call +27673888284.
Germany made best qulity SSD Chemical So...
S-Africa,Uganda,World to join illuminati to be Rich call +27673888284
S-Africa,Uganda,World to join illuminati...
|
|
bozy6666
New User
Mar 24, 2012, 5:14 AM
Post #1 of 6
(2311 views)
|
Hi all, i have a 1998 R reg Corsa 1.0 L petrol that seem to hesitate when you put your oot down, if i rev the car even standing still it seems stop reving for a second or two then will suddenly pick up and increase revs
i have had the EGR changes and new plugs but am at a loss there was a code once with referece to the O2 sensor but that was cleared and has not returned
any advice will be much appreciated
Thanks
Shaun
|
|
| |
|
|
Discretesignals
Ultimate Carjunky
/ Moderator
Mar 24, 2012, 7:42 AM
Post #2 of 6
(2273 views)
|
|
Re: hesitant Corsa
|
Sign In
|
|
We don't have that car here in the states, so detailed advice is going to be limited. I am sure your vehicle has a throttle position sensor. Do a throttle position sensor sweep test by back probing the signal wire in the TPS connector and connect a volt meter to the back probe. Most TPS voltages range from .5VDC -4.5VDC depending on the position of the throttle. Check for any dead spots while slowly opening and closing the throttle.
Watch this video for more information:
http://www.youtube.com/watch?v=8KfKfImoIXg
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Mar 24, 2012, 7:47 AM)
|
|
| |
|
|
bozy6666
New User
Mar 24, 2012, 11:41 AM
Post #3 of 6
(2254 views)
|
|
Re: hesitant Corsa
|
Sign In
|
|
Hi i have checked the MAF voltage references and get an idle value of 1.5v which is correct but when i accelerate i only get v2.3 instead of 4.2v
also i did a check of the TPS and noticed a flat spot at low throttle
so am not sure what to go for ? any ideas
|
|
| |
|
|
Discretesignals
Ultimate Carjunky
/ Moderator
Mar 24, 2012, 11:53 AM
Post #4 of 6
(2253 views)
|
|
Re: hesitant Corsa
|
Sign In
|
|
If you found a dead spot during the TPS sweep check, probably wouldn't be a bad idea to replace your TPS sensor. Some sensors are adjustable, so you'll have to take note of what the voltage is coming out of the old TPS sensor with the throttle closed and set your new TPS to that voltage. If the TPS isn't adjustable, that means the computer can auto zero the TPS voltage when you turn the ignition on requiring no manual adjustments of the TPS.
Start with resolving your TPS problem first, then check your MAF output reading. A dead spot in the TPS can cause your MAF sensor output reading to go low during the stumble.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Mar 24, 2012, 11:54 AM)
|
|
| |
|
|
bozy6666
New User
Mar 24, 2012, 12:42 PM
Post #5 of 6
(2241 views)
|
|
Re: hesitant Corsa
|
Sign In
|
|
Thanks for the help it is greatly appreciated
|
|
| |
|
|
bozy6666
New User
Mar 29, 2012, 7:36 AM
Post #6 of 6
(2193 views)
|
|
Re: hesitant Corsa
|
Sign In
|
|
Hi all, i changed the MAF sensor, CTS and the TPS, cleaned the throttle body took it out for a test and all seemed fine it has been driving well but now it seems to be struggling again and lumpy erratic idling
|
|
| |
|
Auto Repair Home
SEARCH
WHO'S 
LOG 
