vsMick
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- VS Acclaim S2
this happened a few weeks ago on one of those really hot days. We were driving to a mates place and on the way there were many steep slopes. It was hot so we had the air conditioner on.
It was stop start traffic and on every slope where i had to put the foot down to get the car moving the car would jerk a lot. Its hard to explain, it feels like the cars "missing" as a friend put it. Its feels like when you drive over small holes that make the car jerk, except its the car doing the jerking on a perfectly smooth road. Some of the jerks are very "violent" while others are hard to tell if its the car or the road.
I atributed this to the hot weather because it was fine up until that day (first really hot day of the year).
However we were driving last night and it was reasonably cold and the car was doing the same thing. The friend i had in the car with me at this time said that if it was doing it all the time he would say it was the head gasket, except it only does it on a slope (that might describe the feeling a bit better).
Driving up a slope normally and the car is fine, its only when i have to put my foot down to maintain or increase speed that it jerks.
A week ago the original friend who was with me had his fuel pump die on his ford EB and he said it was the exact same feeling (the jerking) just before his pump died.
The car was fully serviced (filter, fluid changes etc etc) two months ago.
So what do you think????
fuel pump
filters
injectors
???? we have not the slightest idea????
perhaps it may be worth checking the ecu for any logged errors???
apart from checking that im not sure what to do. The worst thing is thats its very random, it seems to jerk consistantly on every hill until the car gets very warm, then after that it only does it occasionally.
im worried if i take it to holden they wont find anything because it dosent decide to do it that day. not sure. Also were putting in splits so the cars kinda in peices (dash and door panels, but its been fine like this for a while)
any random ideas as to the problem would be great, or any one whos had a very similar problem.
im inclined to think it may be the fuel pump because its got to work alot harder when going up hill but experience tells me it could be just about anything.
sorry for the long post but i wanted to describe everything as best i could
cheers
It was stop start traffic and on every slope where i had to put the foot down to get the car moving the car would jerk a lot. Its hard to explain, it feels like the cars "missing" as a friend put it. Its feels like when you drive over small holes that make the car jerk, except its the car doing the jerking on a perfectly smooth road. Some of the jerks are very "violent" while others are hard to tell if its the car or the road.
I atributed this to the hot weather because it was fine up until that day (first really hot day of the year).
However we were driving last night and it was reasonably cold and the car was doing the same thing. The friend i had in the car with me at this time said that if it was doing it all the time he would say it was the head gasket, except it only does it on a slope (that might describe the feeling a bit better).
Driving up a slope normally and the car is fine, its only when i have to put my foot down to maintain or increase speed that it jerks.
A week ago the original friend who was with me had his fuel pump die on his ford EB and he said it was the exact same feeling (the jerking) just before his pump died.
The car was fully serviced (filter, fluid changes etc etc) two months ago.
So what do you think????
fuel pump
filters
injectors
???? we have not the slightest idea????
perhaps it may be worth checking the ecu for any logged errors???
apart from checking that im not sure what to do. The worst thing is thats its very random, it seems to jerk consistantly on every hill until the car gets very warm, then after that it only does it occasionally.
im worried if i take it to holden they wont find anything because it dosent decide to do it that day. not sure. Also were putting in splits so the cars kinda in peices (dash and door panels, but its been fine like this for a while)
any random ideas as to the problem would be great, or any one whos had a very similar problem.
im inclined to think it may be the fuel pump because its got to work alot harder when going up hill but experience tells me it could be just about anything.
sorry for the long post but i wanted to describe everything as best i could
cheers