1998 Lexus LS 400 "filter vacumme" Questions

what code po171 02 sensor is lean. check for vacumm leaks, check air filter and replace fuel filter

1997 Ford Mustang GT. Spits and sputters. Replaced fuel filter and ran fine for a day(350miles). Spits and sputters again. Fuel pressure 32 at idle, 36 with ignition on no idle. 42 with vacumm line ...

...the beginning after it sat for 3 years several thing had to be done: replaced fuel pump,strainer ,filter,cleaned and flushed tank and lines, replaced knock sensor (and all necessary parts),

filter, spark plugs, wires, rotor, distributor cap. how the timing is it right.goodluck If pressing on the brake pedal causes the engine to run slow or rough , I would think that you might have a leak

...runing rough po302 i replace plugs and "2 coil now po300 runs rough have you replaced the fuel filter. also check the battery new cars use a lot of power and that could cause a random misfire ...

...on. Mechanic said it is "running lean" so they did all maintenance including new air filter. Light went off for about a month, now it's on again. Same mechanic checked it - said code

...and droping over and ove r is a vaccume leak, or an intake leake somewhere, such as in the air filter housing, air intake tube, or at intake to manifold seal.  check vacumm lines, air

...past 50mph also in 3rd gear boggs down at 35mph changed wire and plugs new cat & muffler fuel filter changed a couple years ago Can get up to 80mph on downhill.air filter clean checked for ...

...1999 Acura TL?. this code make reference to low idle engine,maybe the throttle body is dirty , air filter clogged, vacumm leak , pcv valve clogged, check for ...

...great when cold after warming up, misses and bacfires upon acceleration, replace fuel pump, fuel filter, egr vacumm solenoid, plugs and wires, cap, rotor, coil and map sensor. Sounds like its ...