Cadbury Commodore
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- Feb 8, 2008
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- Commodore VY Executive
Hey Everyone,
I have a VY Commodore executive wagon, auto...
When I drive at a cruise speed, normally anything on 60 km and above, and particularly at 100-105 kmh, the revs drop by about 500 rpm, and then restore.
It happens several times a minute, and is particularly noticable when going uphill. Mechanics are a little mystified as they thought it could be the knock sensor, but it's just not pulling back hard enough with the power, although it goes back 500 rpm, it's a very minor power loss. It's kinda surging but without throwing the car around, I'd barely notice, in fact, the first time I drove it I thought it was just the wind on an open freeway, but it happens all the time.
Does anyone know what it could be? Any ideas?
I have a VY Commodore executive wagon, auto...
When I drive at a cruise speed, normally anything on 60 km and above, and particularly at 100-105 kmh, the revs drop by about 500 rpm, and then restore.
It happens several times a minute, and is particularly noticable when going uphill. Mechanics are a little mystified as they thought it could be the knock sensor, but it's just not pulling back hard enough with the power, although it goes back 500 rpm, it's a very minor power loss. It's kinda surging but without throwing the car around, I'd barely notice, in fact, the first time I drove it I thought it was just the wind on an open freeway, but it happens all the time.
Does anyone know what it could be? Any ideas?