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Forums › The Car › 206 Problems › Engine misfire when hot |
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 Posted: Sun Jun 28, 2015 10:55 am |
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Joined: Jun 28, 2015
Posts: 2
Trade Rating: 0
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Hi there,
My girlfriend had a 55 plated 206 1.4L which is currently having firing issues.
It all started when it developed a leak in the radiator and lost all it's fluid. She mentioned to me that the warning did come on and she stopped in time before it cooked the engine, although she did mention that the temp guage was right up in the red and the warning was telling her to STOP.
I got a brand new radiator as it was leaking profusely which seemed to be alright for a couple of weeks. The engine had a slight shudder which we shrugged off for some time until about a week ago she lost all the power on the motorway. I drove it when she got home and it sounded like it was running on three cylinders. I had the coil pack and spark plugs replaced. It now runs sweet when it's cold and warming up, but as soon as it gets up to temperature (seems to sit at just under 90 on the guage) it starts to shudder and misfire (not as bad as before) I have cleaned the Crank angle sensor as I have heard these give a lot of trouble and also checked the MAP sensor. The trottle body was also replaced over the winter.
I am unsure as to what to look at next or whether to replace the sensors?? also can the temperature sensors have an effect on the timing of the cylinders firing?
I might also check the pressure in the injector rail.
Cheers.
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Posted: Sun Jun 28, 2015 12:50 pm |
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Joined: Jan 29, 2011
Posts: 6526
Trade Rating: +10
Location: Westhoughton, Lancashire
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Posted: Tue Jun 30, 2015 2:54 pm |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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My money is also on head gasket. Compression test, sniff test of coolant and check plug colours as that might tell you which cylinder is giving the problem.
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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Posted: Tue Jun 30, 2015 3:36 pm |
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Joined: Jun 28, 2015
Posts: 2
Trade Rating: 0
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Yeah Cheers for that, I thought about the head gasket the other day and sure enough the coolent smelt of burnt petrol!
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