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Topic: ignition timing (Read 386 times) |
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pedropedro
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Posts: 677
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ignition timing
« on: May 19th, 2006, 5:11pm » |
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engine pinks ...how do you retard the ignition please
i understand it involves changing a jumper on a connector somewhere
its ok on premium fuel ...was ok prior to head gasket change when head was skimmed so i assume compression is higher
any advice would be appreciated
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howiedintheplace
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Based near Evesham
Posts: 1194
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Re: ignition timing
« Reply #1 on: May 19th, 2006, 10:06pm » |
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Which engine
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Dave
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pedropedro
Full Member
Posts: 677
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Re: ignition timing
« Reply #2 on: May 19th, 2006, 10:37pm » |
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it's a 2.3L 16v
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martin_rowe
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I love YaBB 1G - SP1!
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Re: ignition timing
« Reply #3 on: May 20th, 2006, 8:22am » |
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fixed, sorted out by ECU.
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Rally Drivers Do It Sideways
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pedropedro
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Posts: 677
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Re: ignition timing
« Reply #4 on: May 20th, 2006, 8:28am » |
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tks ...i know the ECU adjusts and corrects the timing but when the compression has changed its calculations are wrong
there's a way of changing a resistor linking two wires going from the cpm i believe to retard the adjustment
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Octavian_P
Senior Member
 
Posts: 1126
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Re: ignition timing
« Reply #5 on: May 20th, 2006, 8:32am » |
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Just leave the battery dissconnected (don't forget the radio code) for a few hours so that the ecu will reset, after that in the first 8 miles (or km) it will "re-learn" the engine functions. You don't need to put resistors or other things.
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2.0 16V Ultima|2.3 16V Ghia|2.9 24V Cosworth Ghia
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pedropedro
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Posts: 677
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Re: ignition timing
« Reply #6 on: May 20th, 2006, 8:37am » |
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thanks very much, you obviously understand this issue
much appreciated
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pedropedro
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Posts: 677
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Re: ignition timing
« Reply #7 on: May 20th, 2006, 8:58am » |
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how long does the battery need be disconnected ? when you say hours... 2 hours?
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Octavian_P
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Posts: 1126
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Re: ignition timing
« Reply #8 on: May 22nd, 2006, 11:20am » |
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In general it resets in a few minutes, but to be sure that it losses all the timing, fueling tables, over an hour should be ok, after that the engine will behave un-normally for the first km / miles, until it learns it's functions. You cand eaven help him learn better by, using different driving styles.
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2.0 16V Ultima|2.3 16V Ghia|2.9 24V Cosworth Ghia
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pedropedro
Full Member
Posts: 677
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Re: ignition timing
« Reply #9 on: May 22nd, 2006, 11:28am » |
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many thanks...will let you know outcome
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