Question about Cars & Trucks
Check the firing order as you may have crossed the plug leads causing a back fire through the inlet manifold.
Posted on Feb 16, 2014
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Posted on Jan 02, 2017
SOURCE: tiempo de encendido
Normalmente los modelos modernos Nissan no requieren ningún ajuste porque la escala es controlada por la computadora. Aun así, debe haber una etiqueta en el compartimiento del motor que indica todos los datos que busca.
Posted on Sep 09, 2008
Basically this means that the the car's computer has detected that not all of the engine's cylinders are firing properly.
A P0300 diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. A P0302 code, for example, would tell you cylinder number two is misfiring. Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why.
Symptoms may include:
Causes A code P0300 may mean that one or more of the following has happened:
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.
Random misfires that jump around from one cylinder to another (read: P030x codes) also will set a P0300 code. The underlying cause is often a lean fuel condition, which may be due to a vacuum leak in the intake manifold or unmetered air getting past the airflow sensor, or an EGR valve that is stuck open
Posted on Jul 15, 2010
SOURCE: yo tengo un nissan quest
Usted tendr? que reemplazar los dos sensores de ox?geno que el perno en el tubo de escape cerca del silenciador. Usted necesitar? un enchufe especial que se utiliza para quitar los sensores de O2, esta toma se ve como una toma de la buj?a.Utilice un poco de WD-40 para penetrar en el hilo y quite los dos cables que se conectan a el arn?s principal.
Posted on Jan 11, 2011
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