Question about Lexus LS 400

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1995 lexus ls 400 multi cylinder misfire 2 4 6 8 running very rich burning gas out types

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Is the check engine light on? If so it may be on because of a bad o2 sensor, bad o2 sensors send signals to the ecu which adjust fuel mix to the injectors. If its not a o2 sensor you may need a new computer they can malfuntion also. There's many sensors and models that control fuel delivery. The ones i've mentioned could be the likely source.

Posted on Mar 20, 2011

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Posted on Jan 02, 2017

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1995 LS 400: RANDOM/CYLINDER MISFIRE, CRANKSHAFT POSITION SENSOR , ECM I have a 1995 LS 400 that is misfiring and check engine light on. Mechanic read code and found P0300 Random Misfire, P0305 Cylinder...


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If the ecm didn't fix it, I would have your ignition system checked, could be a bad ICM or a bad coil maybe. If you haven't already checked the spark plugs and spark plug wires. Did you have the ECM programmed for your car?

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1 Answer

Codes:p1346/p1349/p1354/p0446/p0300/p0301/p0303/p0305/p0307/ p0430/car runs rough when idling/lexus gs 400 1998


P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0305 Cylinder No. 5 Misfire Detected
P0306 Cylinder No. 6 Misfire Detected
P1346 Variable Valve Timing (VVT) Circuit Range/Performance Fault
P1349 Variable Valve Timing (VVT) System Malfunction
P0330 Knock Sensor
P0446 EVAP Vent Control Fault
P0430 Catalyst System

Stop driving immediately.....

You defiantly skipped on your timing........

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1 Answer

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try removing and cleaning the mass air flow meter as this controls the fuel delivery if problem persists replacing the distributor might be the solution the pick up plate inside could be bad.

Nov 25, 2010 | 1995 Lexus LS 400

1 Answer

Running hot


MY LS-400 IS RUNNING HOT WHAT CAN I DO TO SOLVE THIS PROBLEM

Jan 15, 2009 | 1995 Lexus LS 400

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