Its broken.

LetsHopeItFits said:

Might be a stupid question - his mine a "hotwire" ecu?
I think I know what the problem might be, and I think someone might have suggested it already, and one of the garages it went to may have ballsed it up since then.
I bet its the wire from the ignition coil to the ECU.

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kermit_rr said:

I've never done a warm compression test. On a regular engine, ie not hypersport/ultra performance race angina, I'm not sure it will make much difference

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marjon said:

You are bobbing all over the place again.

Compression test the engine, go from there.

J

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Hicap phill said:

The word “hot wire” is how the air is monitored going into the plennum.you could also have a flapper…

So go to air box & find the item between that & the engine & post a photo.
Then remove inlet pipe(air filter side) & take a photo of the inside of that item.

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Stanleysteamer said:

You have got a point, trying to deal with OP is becoming like herding cats!!

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LetsHopeItFits said:

Its a 3.9, I dont think they ever came with a flapper, did they?
Its got what I assumed was a maf sensor, looks like a black plastic rectangle on a metal cylinder; like this - https://www.ebay.co.uk/itm/174298526382?itmmeta=01HV9GW79NZGCB79BV3ESJJZ7J&hash=item28950072ae:g:y34AAOSw3hBez9tp&itmprp=enc:AQAJAAAA8NhvS4C/0eM5VFOwSMkAmvpa7U79myp6I1vsE7ETGQk8rE5+TRlln1mjkysiLP38HYmJ5FWbS3tyeXCNRG0q7asqAl8GfRnOq4W7u59UnpdeopoUBnljN8EZVMpwKFR9T4EKEy2THbEwfeTSMJ7a2KeOr905Fr6efwBWTOkzq1fqLZ8dibpjxSsLCu8tDUV8H3kssggPN+rgckAvtMBl1QlacQyut9JhEQyJ8d33OC+cV8rn00rGBoE+O+JW9qQme/G79jMpTMe5tGvaOcm+WaTYArrsURUbGwa/wVJzkljUx+TWTCwrGCf0OgkN/KCOlQ==|tkp:Bk9SR_r08LDaYw

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Hicap phill said:

I had a flapper 3.9

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