Question about 1997 Nissan Pathfinder
Posted by Anonymous on
Distributor or coil pack, defective..if distributor , check your plug wires maybe one is in the wrong place, camshaft sensor or crankshaft sensor.
Posted on Apr 06, 2017
P 0300 code is for random misfires
random misfires are more from dirty /faulty injectors or low fuel pressure than anything else
have a pressure test done to check pressure regulator , filter and pump operation
use a can of quality injector cleaner or remove and clean the injectors
Posted on Apr 06, 2017
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Posted on Jan 02, 2017
SOURCE: Distributor wont spark
check the fuseble link.
you can measure it, and make sure the contact are clean and secured.
the other thing is the check the ignition switch, make sure you have 12v going to the switch.
check thermo switch on top of the block.
Posted on May 21, 2009
SOURCE: i got a code that
You obviously do not know or care about your truck,
as far as OBD2 dash lights being on
When ever you get any diagnostic trouble fault codes
& thus the dash lights,your vehicle has problems
These lights have been on all vehicles for 31 years
Plenty of time to educate yourself
You get the code now & have somehow found out
possible causes,as you would if you went to a trouble chart
So you off to a good start,just a year late
I wouldn't even worry about the injectors,the gas filter is
taking care of them
You could put a pressure gauge on the system, to check
fuel pressure. Should do that every couple years anyway
Your O2 Sensors, the one or two closest to the engine,not the
rear monitors,get replaced every 100,000 miles
The MAF Sensor gets cleaned at least once a year
With a Lean Condition on only one Bank I would look for vacuum leaks
You may have to have the intake manifold smoke tested & check all
vacuum hoses & sources.
Don't rule out a misfire on cyl#1
As far as resolving anything,you didn't say if you have the
ability to do some of your own work
You obviously don't take it to a repair shop,at least not in a year !!
Posted on Jul 17, 2011
Check the condition of the plugs you have installed. See if you can find one which has an irregular color. The spark plug should be dry and brown in color. The problem could be just in one or a few cylinders. More than one cylinder may mean a problem with the ignition coil. If it were just one we can isolate it into the components connected to the cylinder.
If you have the SES light on as well, it may be a bad O2 sensor or a bad catalytic converter. Check for the wiring that goes to the O2 sensor. The computer may not be getting the correct reading on how much fuel burned causing the misfire.
Posted on Jul 18, 2011
Tips for a great answer:
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If there are no symptoms, the simplest
thing to do is to reset the code and see if it comes back.
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.
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