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Old 07-23-2012, 07:04 AM   #1
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Join Date: Sep 2011
Location: Toronto
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Check engine light flashing only over 5500-6000 rpm

Hi everyone. I have a 2000 Porsche Boxster 5 spd and just replaced the engine with a used very low mileage engine. I replaced the the flywheel, clutch and most of the parts from the new engine were installed. The problem I'm having is that when the car goes over 55-6000 rpm the check engine light starts to flash, then I let off the gas and it flashes for a bit then goes away. This problem was happening with the old motor as well. The only thing that was salvaged from the old engine were a few hoses and wiring harness because the new engine wouldn't match up with the ECU. Anyone know what's causing this to happen? Thanks.

2door2nv is offline   Reply With Quote
Old 07-23-2012, 07:13 AM   #2
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Join Date: May 2011
Location: Miami florida
Posts: 1,591
You need to check the codes with a Durametric or other diagnostic tool. Then post the results.

Current car

2000 Boxster 2.7l red/black

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1973 Opel Manta
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