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[arthill]

Hi

Having problems with my 2.2cd, drives fine then sometimes when under load climbing hills etc. it losses power and has to be pushed hard to continue, if I stop and restart engine power returns and is fine again. had ECU read and cam sensor showed up but mechanic not sure it would cause those symptoms. What are the symptoms of faulty cam sensor?


 John

[TheBoy]

Hi

Having problems with my 2.2cd, drives fine then sometimes when under load climbing hills etc. it losses power and has to be pushed hard to continue, if I stop and restart engine power returns and is fine again. had ECU read and cam sensor showed up but mechanic not sure it would cause those symptoms. What are the symptoms of faulty cam sensor?


 John

lack of power, pig to start.

if you have a 0340 code, change the cam sensor, as ecu is unhappy with it, then take from there...

[VXL V6]

I think the 2.2 probably does the same as the 2.0 in that it will not rev past 4 - 4.5K

[arthill]

thanks for reply, I intend changing it shortly just trying to find out if it could be causing those symptoms. Is there much difference between sensors from motor factors and dealer apart from price.thanks again.

  John

[TheBoy]

thanks for reply, I intend changing it shortly just trying to find out if it could be causing those symptoms. Is there much difference between sensors from motor factors and dealer apart from price.thanks again.

  John

given the problems with 2.2 cam sensors, i would stick with genuine.  About £40 iirc

[Marks DTM Calib]

I think the 2.2 probably does the same as the 2.0 in that it will not rev past 4 - 4.5K

The symptoms are more pronounced than on the 2.0 because the coil per plug setup requires a good cam signal to operate (wasted spark setups can cope without)

[arthill]

Hi lads

Fitted new cam sensor from dealer £51 +vat. no change same symptoms, only fault showing is fuel trim
lean not sure of code, and this shows up intermitently,also MIL comes on intermitently. Any thoughts, would appreciate any help, I feel this problem is spoiling a great car.      


 John

[biker]

just a question, when was the fuel filter changed last, our lasses astra had the same problem, I changed her filter and all was well.

[arthill]

Fuel filter changed before Cam sensor.

[biker]

Is the fuel tank preasurising, ie does it suck when you release the cap, could be blocked breather maybe.

[arthill]

No dosen't appear to be.

[biker]

hmmm, got me head scratching now, diesels usually no probs.

[Golfbuddy]

hmmm, got me head scratching now, diesels usually no probs.

I don't think it's a diesel.  

[biker]

your right I miss read it cd istead, of td is what i thought doh.. lol

[theowletman]

Hi

Having problems with my 2.2cd, drives fine then sometimes when under load climbing hills etc. it losses power and has to be pushed hard to continue, if I stop and restart engine power returns and is fine again. had ECU read and cam sensor showed up but mechanic not sure it would cause those symptoms. What are the symptoms of faulty cam sensor?


 John

lack of power, pig to start.

if you have a 0340 code, change the cam sensor, as ecu is unhappy with it, then take from there...

Believe it or not we have the same car at work with the same faults, code 0340 and 0170 fuel trim. The fuel trim is probably the O2 ( lambda ) sensor either pre or post cat. If you have changed the cam sensor then next step is to check the tension of the cam belt, if it is incorrect the cams can move ever so slightly and get an incorrect signal. The last 2.2 facelift we had we gave up on and sent it to auction as the ecu was sh----d. Our work car does exactly the same and sometimes the MIL does not come on at all and the car runs fine.