306 tdi poor starting

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kevin
Posts: 129
Joined: 13 Aug 2002, 18:06

306 tdi poor starting

Post by kevin » 15 Oct 2002, 18:33

Since the start of the cold weather my 306 is becoming reluctant to start in the cold mornings, rather like its driver! The car requires at least 3 cycles with blue smoke emmitting from the exhaust when the car does eventually spring into life. I assume the blue smoke indicates injector wear. I have changed the heater plugs and checked the fuel system with no sucess.
I seen to recall there was a modification to the bosch injector's by a fitment of a slightly stronger spring as well as some adjustment to the goveners in the pump.
Can anyone advise on this as well as any costs.
Thanks
K Whitehead

pug406glx
Posts: 17
Joined: 20 Sep 2002, 14:26

Post by pug406glx » 18 Oct 2002, 13:58

In addition to replacing the glow plugs, have you tested/replaced the glow plug relay? This may not be heating the plugs for long enough. This can be tested by warming the plugs 2 or 3 times before cranking the engine. If it starts better by doing that, then the problem definitely lies in the glow plug system.

kevin
Posts: 129
Joined: 13 Aug 2002, 18:06

Post by kevin » 18 Oct 2002, 19:29

<font face='Verdana'></font id='Verdana'>Thanks, I will try this on the next cold morning. I am assuming this will show the control box is on the way out?. With the blue smoke being the unburnt fuel or the injectors in need of service.
Kevin