Air conditioning failed and removed as too expensive to replace.
Cruise control unit failed.
CD cartridge not working.
Intermittent engine fault resulting in jumpy acceleration.
Timing chain tensioner failed.
New timing chain.
New 24 valves.
New distributor.
New lambda sensor.
If only the intermittent engine fault could be cured I would keep the car until it rotted under me.
This is my third Senator and I am looking for an 'immaculate' 1993/4 replacement.
The huge surge of power in sport mode makes the 25mpg worth while, and for cruising it is the only car I have driven, where you can drive all day and still want to continue into the night.
Vauxhall dealers are not worth visiting, but finding someone who knows much about Senator's is difficult.
Why did Vauxhall stop production of what is arguably one of the best prestige cars in its class - to replace it with the Elite?
I may know why your car surges. Check the wires running from the ECU. There are two black wires. Check them both. When these break the car runs on emergency fuel mode. Which means you lose power and thus causes surging.
If your Senator appears to be surging, make sure that you have the suspension on M or S setting, as the C (comfort) setting makes the car rock back and forth when accelerating hard giving the sensation to the driver that the car is surging forward when actually it is not. To verify this is what happens to your Senator, just watch the speedo, and although the car appears to surge the speed increases smoothly.
Re: the surging. Could be the lambda sensor. My 24v surged when accelerating, took it to numerous experts, eventually got a tip from the internet.
Replaced sensor (£45) - cured!
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