Question about 1996 Nissan Sentra
I changed the spark plugs, spark plug wires, rotar, distributer cap, and oxygen sensor and my car is still misfiring and guzzling gas. my car still stalls and shuts off. what could be the problem with my car?
DETERMIN IF YOUR PROBLEM IS ONE OF THE FOLLOWING BEFORE CHANGING ANYTHING .1.ELECTRICAL
2.FUEL RELATED OR 3. MECHANICAL.
PERORM A COMPRESSION CHECK TO ENSURE THE COMPRESSION IS GOOD .IF THE COMPRESSION IS IN ALL CYLINDERS PROCEED TO CHECK FUEL SYSTEM .REMOVE THE FUEL INJECTORS AND EXAMIN THE INJECTOR TIP FOR CARBON DEPSITS .CHECH FUEL SPRAY PATTERN ,ENSURE INJECTORS ARE ACTUALLY SPRAYING . THEN PROCEED TO EXAMIN THA SPARK PLUGS .LOOK FOR DISCOLOURATION OF SPARK PLUG ELECTRODES OR CARBON DEPOSITS. IN DIAGNOSING PROBLEMS ONE HAS TO SYSTEMATIC OR ELSE YOU WOULD BE WASTING MONEY AND TIME PURCHASING AND REPLACING COMPONENTS WHICH ARE NOT DEFECTIVE . GOOD LUCK .
Posted on Dec 01, 2012
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Posted on Jan 02, 2017
SOURCE: 1998 Nissan Altima 2.4L auto
If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.
I know the elm327 plastic 1.4 can help you reset the code....
If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.
Posted on Aug 18, 2011
SOURCE: MISFIRE CYLINDER 1
TELLING U THE #1 CYLINDER IS MISFIRING IS NOT A DIAGNOSIS.DIAGNOSIS WOULD BE IF THEY TOLD U WHY.MANY THINGS CAN CAUSE A MISS.VACUUM LEAK(MANIFOLD),FUEL INJECTOR,LOW COMPRESSION,VALVES.
Posted on May 01, 2009
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