Question about 2004 Nissan Armada

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04 armada 5.6 v8 lacking power. reading code p0300. running sluggish.

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PO300-Random Misfires

Cam Sensor
Egr issues
Ignition issues

Should have more codes ?

Posted on Mar 18, 2011

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Posted on Jan 02, 2017

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What is the best diff ratio for a auto gxl with a 5 litre v8 commodore motor


diff ratio is not the problem but a properly tuned engine is
run the fault codes and find out why the v8 is lacking power
a ratio of 3.6 is optimum for power and economy but for power at lower road speed 4.5 ratio would be best

Jun 14, 2017 | Cars & Trucks

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My 06 Jeep Liberty is reading its having multiple misfires the check engine light and traction control light is on in the dash truck starts and runs but pulls really sluggish my coils are firing ecu ?


why not say the code, let us decide what they mean.
P0300 code, in fact post all DTCs not just one if more......!!!
this code means MISFIRE< (that sluggish is that , misfiring)
cause by bad COMBUSTION.

1: bad spark ever to a tuneup? ever?
2: bad compression on the P030x (what is x) cylinder.
3: bad injection to P030x cylinder.

do post all codes. first.
verbatim.

Apr 18, 2015 | Jeep Cars & Trucks

1 Answer

I have 2003 chevy express cargo van 2500 w/4.8 v8 has engine code p0300, seems like entire passenger side of motor not firing , although there is spark at each coil pack, i can pull each plug wire of on...


Trouble Code: P0300

Multiple Cylinder Misfire Detected
Possible Causes:


Base engine mechanical fault that affects one or more cylinders.EGR valve is stuck open or PCV system has a vacuum leak
EVAP system problem or the EVAP canister is fuel saturated
Fuel metering fault that affects more than one cylinder
Fuel pressure too low or too high, fuel supply contaminated
IC control circuit is shorted to ground (an intermittent fault)Ignition system fault (a coil) that affects more than one cylinder
MAF sensor contamination (it can cause a very lean condition)TSB 03-06-04-030 contains a repair procedure for this code

Sep 15, 2013 | Cars & Trucks

1 Answer

01 toyota avalon with codes PO300-306 car runs rough and idles rough now while driving it start loosing power and making a snake rattling sound


Is the rattling sound coming from the exhaust? I'm wondering if perhaps you have a loose catalytic converter. P0300 (multiple cylinder misfires) and P0306 (cylinder #6 misfire detected) are probably the cause as to why the car is sluggish, shakes, runs rough and lacks power. Make sure to take a close look at your ignition system (spark plugs, ignition wires, coils...). A spray bottle filled with soapy water can help you find voltage leaks on the wires and coils. Just spray the wires and coils and look for arcing. Replace any component that arcs. Other causes can be fuel injectors, vacuum leaks...).

Mar 03, 2013 | 2001 Toyota Avalon

1 Answer

05 suzuki forenza running sluggish


Generally, fuel problems cause an engine to lack power.
If the check engine light is on you should have it scanned for trouble codes. The fuel filter should be replaced every 30-50,000 miles and the air filter checked at every oil change.

Jun 23, 2012 | Suzuki Forenza Cars & Trucks

1 Answer

2006 Pontiac G6 shifting hard, engine very sluggish and mpg under 15.


You have a random engine misfire. P0300. That is the root cause. Basically this P0300 code means that the car's computer has detected that not all of the engine's cylinders are firing properly. This would also cause hard shifts due to low engine power.
Read on please.




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:
•the engine may be harder to start
•the engine may stumble / stumble, and/or hesitate
•other symptoms may also be present
Causes:
•Faulty spark plugs or wires
•Faulty coil (pack)
•Faulty oxygen sensor(s)
•Faulty fuel injector(s)
•Burned exhaust valve
•Faulty catalytic converter(s)
•Stuck/blocked/leaking EGR valve / passages
•Faulty camshaft position sensor
•Defective computer

Apr 24, 2017 | Cars & Trucks

1 Answer

My 98 sonoma truck runs but lacks power with service engine soon light on .trouble code reads po300 cylinder misfire detected (random) what dose this mean


See also: P0300 diagnostic code @ OBD-Codes.com
Possible Causes:
Fuel injectors, related wiring, sensors and computer issues
Running out of gas, or poor fuel quality
Evaporative emissions system (EVAP) concerns: fuel vapors leaking into engine
Incorrect Fuel Pressure
EGR system concerns: leaking EGR valve or restricted ports
Base engine concerns: low compression, valve train problems and timing issues
Ignition system concerns including, but not limited to:
Faulty spark plugs
Faulty coil or related wiring
Ignition module or related wiring issues
Ignition related sensor faults or wiring issues

Mar 13, 2011 | GMC Sonoma Cars & Trucks

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