jonski1987 Posted January 4, 2017 Share Posted January 4, 2017 Hi All, This is my first post, I bought a Focus 1.8 TDCI LX 2005 5 days ago. Unfortunately it has already developed an intermittent starting problem, which leaves me feeling worried I've inherited a known problem here. Intermittently, the car just doesn't start, and instead the immobiliser light blinks. At first I thought it was a flat battery as it was cranking but was weak. Then after leaving it for a few mins it started just fine? Then again, the following the day, when turning the key, absolutely nothing. Seemed like a complete flat battery despite radio working. Then a few minutes later it started just fine. As of today, car is working absolutely normal, with no immobiliser flashing/ weak cranking. Car just starts perfectly. This is really strange! Any ideas? JP Quote Link to comment Share on other sites More sharing options...
JIMMWX Posted January 5, 2017 Share Posted January 5, 2017 Doesn't say how you bought it (trader, private) etc. If it's a trader, have you spoke to them, since you say you've only had the car 5 days. Quote Link to comment Share on other sites More sharing options...
jonski1987 Posted January 5, 2017 Author Share Posted January 5, 2017 It was private unfortunately. Since buying it, I've also noticed it doesn't quite get up to normal temperature, in the middle of the gauge, instead it sits at 1/3. Any ideas to help troubleshoot the above two problems? JP Quote Link to comment Share on other sites More sharing options...
Tdci-Peter Posted January 6, 2017 Share Posted January 6, 2017 On 04/01/2017 at 5:38 PM, jonski1987 said: instead the immobiliser light blinks The Focus IC (instrument cluster) in models around 2006 is very prone to faults. However yours may be before this. A likely cause is the link between the PCM (engine computer) and the IC. This is vital for the PATS (immobiliser system). The PATS led should give a code, that will help identify the cause. Typical flash code: The red immobilsor light will flash rapidly for 1 minute then it will emit a code Example - 1 flash -PAUSE - 6 flashes = flash code 16 Flash Codes: 1 : 3 Key code not received is the key obscured, try again with different key, key may be damaged/faulty 1 : 4 Partial code only received is the key obscured, try again with different key, key may be damaged or faulty 1 : 5 Key valid but not programmed to PATS 1 : 6 Faulty link between IC & PCM If it is the PCM to IC wiring, I can help further with likely problem areas if needed. Regarding the temperature gauge, my one sits about 1/3 of the way up, but it is the right temperature, as I have a separate monitor of coolant temperature. My thermostat is set for 80C, and that is what I see, once warmed up, though that can take quite a few miles in these efficient but rather heavy diesel engines. Quote Link to comment Share on other sites More sharing options...
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