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1999 Ford Explorer Sport 4.0E V6 shakes and jerks randomly code P1150 P1151 P1152 replaced intake gasket no vacuum leaks 65lbs fuel pressure O2 sensors good what could be the problem?

Possible causes:

- Faulty fuel injector(s)

- Clogged fuel filter

- Faulty ignition coil(s) or spark plugs

- Faulty exhaust gas recirculation (EGR) valve

- Faulty catalytic converter

- Faulty throttle position sensor (TPS)

- Faulty mass air flow (MAF) sensor

- Faulty camshaft or crankshaft position sensor