ANSWERS: 4
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o2 sencers reading ok ?
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NOT SURE HOW TO READ O2 SENSOR, HAD DIAGNOSTICS RAN BY MECHANIC. IT GOT WORSE AFTER CHANGING FUEL INJECTORS. INSIDE MANIFOLD IT WAS BLACKER ON ONE SIDE AND NOT SO MUCH ON THE OTHER AND ONE OF THE VORTEX CHAMBERS WAS ALOT CLEANER THAN THE REST OF THEM.
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map sensor and if it's not that then loosen up the distributor and turn it slowly and not much while its running to see if it quits doing that the distributor could have moved over time it happens but rarely. PLEASE RATE
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Possible internal fuel leak, check fuel pressure specs. Fuel regulator leak can be inspected by removing valve on top of plenum and looking for fuel leak in plenum when key is cycled to on. Also make sure you have the correct spark plug number, call other part stores. Also check wiring harness to CPI injectors
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