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Forums › The Car › 206 Problems › 206 GTi lumpy idle


 
 

206 GTi lumpy idle
Forum Index206 Problems
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johnpidge
PostPosted: Tue Mar 03, 2015 4:20 pm Up
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I haven't checked the coil packs or the plugs next on my list and the wheels need a refurb
John
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johnpidge
PostPosted: Wed Mar 04, 2015 11:13 am Up
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New coil pack and Bosch plugs seems to be perfect now - sweet if now a little poorer again !!!!!!!!!!!!!!!!
John
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johnpidge
PostPosted: Wed Mar 04, 2015 3:18 pm Up
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oh and it had NGK plugs in it - not sure they are that bad but now has proper Bosch ones
John
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johnpidge
PostPosted: Thu Mar 05, 2015 8:50 am Up
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arghhhhhhhhhhh

Lumpy idle returned this morning big time!

Dash came up with the 'catalytic converter fault' - engine light came on - fault reader came up with P0300 Random multiple cylinder misfire detected - few minutes car warmed up and drove fine - still with the engine light on. Started the car after 30 minutes or so and now the dashboard comes up with 'Antipollution fault' - still with the reader giveing me the same P0300 multiple missfire code

What the bloody hells going on - I know its a French car but what !?!?!?!?!?!

I put a new coil pack in it yesterday as well as 4 new Bosch plugs - took it home drove perfectly and gaveit a wash

Any ideas?

John
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johnpidge
PostPosted: Fri Mar 06, 2015 12:02 pm Up
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Does the GTi have an autochoke or a starter jet - how would i check this??
John
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Addaz
PostPosted: Fri Mar 06, 2015 1:10 pm Up
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Its injection so no

Have you checked the compression? Have you checked the injectors?

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johnpidge
PostPosted: Fri Mar 06, 2015 1:23 pm Up
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Havent checked either - wouldnt either show up a fault code??
John
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Addaz
PostPosted: Sat Mar 07, 2015 6:05 am Up
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Yes, multiple misfire
Team Impossible Possible
The only way of finding the limits of the possible is by going beyond them into the impossible - Arthur C. Clarke

Forged 1.6 Turbo
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144Bhp @ 7PSi - 193.9Bhp @ 13psi

206 Gti Race Car
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For all Race/Track Preparation, Feel Free to PM Me!
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johnpidge
PostPosted: Sat Mar 07, 2015 6:31 am Up
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Right have used a better code reader and it threw up multiple errors and misfire cyliner two so as its only done this since i replaced the coilpack i swaped it for anotger one from eurocar parts cleaned all the connections etc wd40 spray and cleaned all the contacts on the ecu as someone suggested that
seems to.be running ok - the injector cycle came up.all ok so maybe dodgy coil pack??

John
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johnpidge
PostPosted: Sat Mar 07, 2015 1:41 pm Up
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hmmmm

Starts and runs fine but still a lumpy shakey idle at cold start up - once at 70c + it runs sweet and runs very nicely - mpg is good and getting better 24 - 25 mpg in really bad traffic in SW London so its not the lambdas (didnt show any fault on them anyway)
Slightly fed up with my French car now - shame as it really goes well otherwise

John
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Addaz
PostPosted: Sat Mar 07, 2015 2:13 pm Up
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What are the resistance readings across the injectors?

Are the plugs tight? What are the compression readings?

What are the MAP readings on idle?

Team Impossible Possible
The only way of finding the limits of the possible is by going beyond them into the impossible - Arthur C. Clarke

Forged 1.6 Turbo
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144Bhp @ 7PSi - 193.9Bhp @ 13psi

206 Gti Race Car
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For all Race/Track Preparation, Feel Free to PM Me!
Whether its for a custom ratio gearbox or track-day alignment, I can help!
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johnpidge
PostPosted: Sat Mar 07, 2015 2:19 pm Up
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Need to do a compression test
John
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johnpidge
PostPosted: Sat Mar 07, 2015 2:21 pm Up
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I will.check the other readings what should the Map readings be??
John
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Addaz
PostPosted: Sun Mar 08, 2015 5:30 am Up
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Around 300 to 400 on idle
Team Impossible Possible
The only way of finding the limits of the possible is by going beyond them into the impossible - Arthur C. Clarke

Forged 1.6 Turbo
Click to see more
144Bhp @ 7PSi - 193.9Bhp @ 13psi

206 Gti Race Car
Click to see more

For all Race/Track Preparation, Feel Free to PM Me!
Whether its for a custom ratio gearbox or track-day alignment, I can help!
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