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Check the compression.
Check the injector connector for voltage with the key on. One side will have battery voltage the other a bit less as it comes through the other three injectors. Note that all four injectors fire at the same time -- twice per combustion cycle.
While the Beru/Bosh wire set is pricey I prefer them. You can just replace the wires should the four resistance ends be ok.
Also pull and check the dist cap. May be cracked -- even if it's new.
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Hugh - So Cal 83 944 Driver Person
NOT a 'real' Porsche -- Its Better!!!!
When was the last time you changed your timing and balance belts and/or cam chain and tensioner?
New Users please add your car's year and model to your signature line!
Never break more than you fix!
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