Car seems to be surging
Thread Starter
Intermediate
Joined: Jan 2006
Posts: 42
Likes: 0
Car seems to be surging
Just recently purchased a 2000 with 30,000 miles. When I am driving between 30 and 50 and start going down a hill I can feel a noticable surging with the car. This happens with the cruise control on or off. Everything elses seems to be fine. The car has a automatic. Looking for possible ideas of what could be going on or is this normal?
thanks in advance for any ideas
thanks in advance for any ideas
Thread Starter
Intermediate
Joined: Jan 2006
Posts: 42
Likes: 0
I'm pretty sure.
I only feel this sensation going down a hill. The car runs fine on flat surfaces and no problems when you go up hills or accelerate.
The speed stays constant but it seems like it is a miss fire or lack of fuel not sure. Maybe I just answered my own question. Maybe a bad plug or a bad injector?
I only feel this sensation going down a hill. The car runs fine on flat surfaces and no problems when you go up hills or accelerate.
The speed stays constant but it seems like it is a miss fire or lack of fuel not sure. Maybe I just answered my own question. Maybe a bad plug or a bad injector?
Drifting
Joined: Oct 2003
Posts: 1,540
Likes: 0
From: bloomfield nj
i'm assuming the car is stock.if you go out and drive on a flat road at a constant speed,do you feel the car trailer hitch[surge]? check the car for faults,if anything i would think air/vacuum leak somewhere.
Drifting
Joined: Oct 2003
Posts: 1,540
Likes: 0
From: bloomfield nj
Originally Posted by 1998 fast vette
Doesn't do it on a level surface seems fine. I will check for leaks that is a good idea.
How would I go about checking for codes? This is the first C5 I have had. What a wonderful car
How would I go about checking for codes? This is the first C5 I have had. What a wonderful car
key on engine off.push reset[will clear door ajar and show odometer]
hold options and tap fuel 4 times
car will go into diagnostics with the pcm being the 1st control module checked,copy all codes if any,then it will check the next module and so on and so forth.
Racer
Joined: Feb 2006
Posts: 295
Likes: 4
From: Riverside California
Racer
Joined: Feb 2006
Posts: 295
Likes: 4
From: Riverside California
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Drifting
Joined: Oct 2003
Posts: 1,540
Likes: 0
From: bloomfield nj
Originally Posted by 1998 fast vette
Here is what I have for codes
AO-LDCM B2252H, B2282H, B2284H, U1064H, U1096H
A1-RDCM B2283H, B2285H, U1064H, U1096H
BO- RFA U1096H, U1064H, U1016H
What do these mean and thanks for your help
AO-LDCM B2252H, B2282H, B2284H, U1064H, U1096H
A1-RDCM B2283H, B2285H, U1064H, U1096H
BO- RFA U1096H, U1064H, U1016H
What do these mean and thanks for your help
they are all past communication/battery faults[h=history]
the battery was either changed or disconnected at one time.
check for air/vacuum leaks[loose clamps]after the maf
