1993 olds cutlass ciera 3300.getting code 43. Had o2 sensor, crank sensors, knock sensor and knock sensor connector replaced. Replaced ecm. Still getting 43 code.

John Weathers

• 409 Answers
• Posted on Dec 26, 2008

SOURCE: 1993 full size blaser 5.7 code 43

Check for a 5 volt reference signal at the wiring to the knock sensor. With key on engine off one of the wires to the sensor should have 5 volts.

SOURCE: intermittent long crank times hot or cold service lamp on intermi

Code 43 has different meanings.It has to do with the knock sensor, electronic spark timing failure, left O2 sensor failure, and equate code 42a. Ithink that has to do with ignition switch failure. Good luck.

SOURCE: 2003 stratus both sensors replaced still unresolved

Have the exact problem. Replaced cam sensor and timing belt. Still happens intermittently. code is p0344.

Duane Wong

• 6826 Answers
• Posted on Aug 01, 2010

SOURCE: 1990 cutlass ciera w/3300 v6, won't start, fuel

If it has spark, the crank sensor is working. If the fuel pressure is 45psi, that's good.

Are the injectors pulsing controlled by the computer?

SOURCE: 1999 Pontiac Grand Am is setting knock sensor

check all ground wires to these sensors. Even corrosion will cause codes to pop up