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Author pinking problems (please help)
Gavin
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Registered: 3rd Apr 02
Location: West Midlands
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26th Mar 03 at 10:04   View Garage View User's Profile U2U Member Reply With Quote
my corsa sri 1.4 8v is pinking abit nowadays.
went down the motoway and was hitting 4100 rpm, it was ok on the flat but once i went up slight uphills on the motoway (and tried to maintained 4100 rpm) the car starts to pink.
i put in optimax and it seems to stop the pinking up until i start to run out of petrol.
with normal petrol the car pinks alot more.

- i have changed all the pugs/ht leads/gonna change the filter again.
- had a tech 1 test and no code faults showed
- cleaned out all pipes leading to rocket cover
- pipe leading to map sensor changed

i know my standard exhaust is on its way out (or may be already fooked) could it be this??

wat do ya ppl think i should look at to get this problem sorted.

cheers ppl

Gavin
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Gavin
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26th Mar 03 at 11:28   View Garage View User's Profile U2U Member Reply With Quote
any1 got any ideas for me????

Gavin
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Cybermonkey
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26th Mar 03 at 11:31   View User's Profile U2U Member Reply With Quote
How do you know its pinking? Its most probably crap in the fuel lines or injectors as you said its most prone when petrol is low. you often get crap in the tank from when you fill up.

Dave
blebo
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Registered: 18th Apr 02
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26th Mar 03 at 11:31   View User's Profile U2U Member Reply With Quote
Mines does this to....been trying here and migweb for about three weeks now without much success
Gavin
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26th Mar 03 at 11:34   View Garage View User's Profile U2U Member Reply With Quote
pinking to my knowlegde is when the timing of the spark is incorrect and fires at the wrong time....thus causing this sound (pinking).
why would it be crap in the bottom of the fuel that makes this sound??

Gavin
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blebo
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26th Mar 03 at 12:21   View User's Profile U2U Member Reply With Quote
Could also be caused bu the saprk plug not firing meaining that the fuel explodes when the piston moves up increasing prssure. This causes the explosion to happen a moment to late causing pinking


I think!!
Gavin
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26th Mar 03 at 15:27   View Garage View User's Profile U2U Member Reply With Quote
help please

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animality-gt
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Registered: 23rd Jul 02
Location: Dublin,IRELAND
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26th Mar 03 at 16:04   View User's Profile U2U Member Reply With Quote
try reseting ur ecu and maybe use some 10k boost to clear the carbon deposits rom the engine,thats al i can think of. if this dusnt work get a compression test done........
Gavin
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28th Mar 03 at 07:38   View Garage View User's Profile U2U Member Reply With Quote
change my back box exhaust and a new air filter yesterday ans still no good....
heard that 10k boost is shite, my ecu was re-setted about a month again???

so any other ideas

cheers ppl

Gavin
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Rooney
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Registered: 16th Nov 02
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28th Mar 03 at 08:24   View User's Profile U2U Member Reply With Quote
IT HAPPENED TO MY MATE..SOMETRHING GOT INTO THE PETROL TANK..THINK IT WAS A LID OR SOMETHING...YOU COULD HEAR IT WHEN THE TANK WAS EMPTY RATTLING ROUND IN THE TANK.
AND IT WOULD BLOKE THE PIPE WHICH MADE THE CAR JUMP AND PINK..TRY GETTING SOMEONE TO CHECK THE TANK MATE.

MIKE
Gavin
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28th Mar 03 at 08:37   View Garage View User's Profile U2U Member Reply With Quote
ill try that and see wat happens...cheers

Gavin
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Gambit
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28th Mar 03 at 09:03   View User's Profile U2U Member Reply With Quote
how about getting the timing set?
Cybermonkey
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28th Mar 03 at 09:13   View User's Profile U2U Member Reply With Quote
What year is it mate?
Gavin
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28th Mar 03 at 09:27   View Garage View User's Profile U2U Member Reply With Quote
its a 93 on k reg.

how do u get the timing set.

Gavin
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Cybermonkey
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28th Mar 03 at 09:36   View User's Profile U2U Member Reply With Quote
Check your RON plug mate and make sure its not on 91RON!! This could cause it to pink when using 95/98 RON fuel.

Dave
Gavin
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28th Mar 03 at 11:36   View Garage View User's Profile U2U Member Reply With Quote
ill try and have a look later on.

anything else i should look at whilst im under the bonnet later on

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grigglet33
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Registered: 23rd Mar 01
Location: East Sussex
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28th Mar 03 at 16:16   View User's Profile U2U Member Reply With Quote
have same engine as you mate, it was the timing out!
Jcorsasri
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Registered: 8th Jan 03
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28th Mar 03 at 17:18   View User's Profile U2U Member Reply With Quote
arite mate, i have exatly the same engine as yours, a 1.4 sri k reg and i have the same problem, had the timing and that checked out and it was bang on, so if you find the problem give me a shout, cheers mate

 
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