Sentences with phrase «cause lean mixture»

Could that cause lean mixture codes?

Not exact matches

Neither should damage the catalytic converter irrevocably (except perhaps alternating lean - rich mixture could cause potential damage, if the carbon - rich compounds stay in the catalytic converter semi-permanently and then the oxygen - rich compounds arrive to allow the chemical reaction to proceed — now, could this happen if your sensor is damaged, I'm not sure, perhaps somebody more experienced in cars could answer).

Listen carefully around the brake booster (the large round object more or less in front of the driver in the engine compartment), I suspect that there is a leak that is causing the idle mixture to change, probably too lean as air is being pulled in when the brake is applied.

Also, if it hasn't been changed I'd change (or have someone change) the fuel filter, these fill with crud over time and if it's partially clogged this can reduce fuel pressure and cause a lean - ish mixture.

Most often a faulty TPS will cause high CO, as an engine's ECU always prefers to send more fuel rather then less, in an effort to avoid a lean fuel mixture and subsequently higher engine temperatures.

The noise you may be hearing is a pre ignition ping caused by a combination of a lean fuel to air mixture and advanced ignition timing.