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The mkiv Supra Owners Club

Coil Pack Question


terribleturner

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TT

Can't see the diagram mate....:)

You seem to have covered just about everything. BTW did you try different spark plugs when you did the spark test?

Otherwise, I can only think that it has to be a dry joint situation which breaks down under load from the primary windings of the coil packs.

 

Do you have anyone you can borrow an igniter from? And if that turns out not to be the problem, an ECU?

 

Wot a bugger of a problem, sounds like everyone's worst nightmare...:(

 

PS hate to state the obvious, but your battery voltage is still high after all the messing around?........

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just a quick one, have you checked the crank sensor output while cranking the engine? incase there's a fault with the gear on the crankshaft.

Don't think it's the sensors Abs. TT is getting voltage at the coil pack connectors but no spark from the plugs. If the sensors were fkd then the car wouldn't start, but in a test scenario, with any voltage at the connector, timing would not matter to get a spark from the coil packs....they would spark, but at the wrong time (hope that makes sense!! :))

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Will have to sit and have a good read of that link.

 

Have tried 3/4 different ignitor packs from other cars and 4/5 ECU's from other cars too. Several plugs have been used and have now got a brand new battery on the car.

 

Can't remember if we're tried the crank sensor output when cranking the car.

 

The reward is there if you find the problem Abs :D or if anyone else is up for the challange.

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he had a problem with the ecu igntion feed supply, but just made it slighty more complicated by doing some wire bypassing work :D

Top job abs your a star & James must be over the moon as he was so close to scraping it too :cool: :cool: :cool:

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he had a problem with the ecu igntion feed supply, but just made it slighty more complicated by doing some wire bypassing work :D

 

I was waiting for you to post. :trophy:

You're my hero!!.
/vbb/images/smilies/bbcode_grin.gif

 

Good news came just when it was needed. :clap:

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