Question about 1999 Honda Prelude

1994 prelude h23 2.3 non vtec 5 spd at start up no cel- smooth idle. under accel it jerks and hesitates but rpms stay solid, however unmoving. strong smell of gas. low power. after driving a few minuted cel comes on and engine is very sluggish and wont go much over 3k rpm. tried pulling codes but no luck- no cel blink after jumping the connectors. need help....

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madadam1965

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Try replacing Oxygen sensor (top of exhaust pipe just rear of engine; 22mm ring-spanner job after cutting wires); though normally comes up with Code 1 on the MIL, this is the right bunch of symptoms.

Posted on Sep 11, 2009

madadam1965 Sep 12, 2009

Forget the Oxygen sensor - upon reflection check out the fuel smell; fuel is under very high pressure and the ECU will not like drops in pressure, or injectors getting air bubbles (hence the Oxygen sensor will detect incorrect mixture). If you smell gas, there is a significant leak from somewhere. Start with the fuel filter unions (rear LHS of engine bay - black, with two pipes on top), and work both ways, smelling as you go. Low fuel pressure or bad mixture willl produce rubbish performance and warning lights. Gas is dangerous too!

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