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A few years back there was a problem with fuel from one of the refinery’s, it caused all sorts of problems, mainly emissions based problems which caused major failures of the lambda sensors ( before and after the Catalytic converter in the exhaust pipe ) my 53 plate RCZ will throw up a fault...

I would keep using the vehicle until at some point this intermittent fault becomes permanent, hopefully it will store a fault code which would enable you to pin point the exact cause of the problem. Providing the car is not over heating and maintaining a good oil pressure you shouldn’t run into...

Intermittent faults are a real problem to sort especially if nothing is being recorded on the ECU. On most top end fault code readers there is a live data stream function which will relay live information from the cars ECU while it’s being driven this can in most situations help to pin point...

After paying £550 pound and you still have the same fault is very frustrating, was the garage made aware of the issues you was experiencing with the car and did they promised to find and correct the issues. I can’t help but wonder why they charged you £550. If they had you believe they could fix...

Hi You say the engine light comes on, is this the high temperature warning light or the engine fault light ( yellow engine symbol ) if this is the yellow engine light it means there’s an issue with one or more of the systems and a fault code as been stored within the ECU, you will need a good...

Hi Guys have finally sorted the problem with the temperature gauge, with the help of a good wiring diagram I checked the grounding to the loom which is connected to the fan relay, when the car reached it’s operating temperature the relay would go open circuit causing the gauge to drop back to...

Hi Guys, having problems with the temperature gauge, it’s very slow to reach 90 which it does in standing traffic But drops to 50 when on the motorway. The thermostat housing as been changed, it had been bypassed by the previous owner( temperature sender unit in the bleed screw hole ) the...

Hi guys, i’ve been thinking of joining the Forum for a while and finally took the plunge I‘ve had my RCZ for just over 4 years, in that time its generally been good and reliable. I do all the work required myself and never take to a main dealership or garage. Over the last few months I’ve had...