random misfire

Asked by budharrill Feb 12, 2016 at 03:13 AM about the 2000 Chevrolet S-10 LS Xtreme RWD

Question type: Maintenance & Repair

I have a 2000 s10 4.3 that has a bad
miss and i changed the plugs and
distributor and distributor cap and
rotary button and it syill is missing
so i ran a diagnostic test and it said
random misfire so what does
ranfom misfire mean

6 Answers

40

I had the same problem with 99 Crown Vic did u put the orginals plugs in or after market. I would check those plugs Pepboys sells the orginals that Chev put in when making the car.

4 people found this helpful.
220,355

P0300 CHEVROLET - Cylinder Misfire Detected Random Cylinders....> Possible causes...> - Faulty spark plug (s) - Faulty ignition coil (s) - Clogged or faulty fuel injector (s) - Intake air leak - Fuel injectors harness is open or shorted - Fuel Injectors circuit poor electrical connection - Ignition coils harness is open or shorted - Ignition coils circuit poor electrical connection - Insufficient cylinders compression - Incorrect fuel pressure The P0300 code means that a cylinder(s) is misfiring or is randomly misfiring. Start by checking for intake leaks, intake gaskets are common caused of multi-cylinder misfiring. If no leak are found the next step is to replace the spark plugs. If the problem persist more tests needs to be done to diagnose problem,....> There is a factory service bulletin for the following Chevrolet models:> 2000 Chevrolet S-10 2000-2008 Chevrolet Camaro 2000-2008 Chevrolet Lumina 2000-2008 Chevrolet Cavalier 2000-2003 Chevrolet Impala 2000-2003 Chevrolet Malibu 2000-2003 Chevrolet Monte Carlo 2000-2003 Chevrolet Silverado 2000-2003 Chevrolet Suburban 2000-2003 Chevrolet Tahoe 2000-2003 Chevrolet Venture 2001-2008 Chevrolet Express 2002-2008 Chevrolet Astro 2000-2003 Chevrolet Avalanche 2000-2003 Chevrolet Trailblazer 2003-2008 Chevrolet Blazer 2003-2008 Chevrolet S-10 2003-2008 Chevrolet Trailblazer EXT 2000-2008 Chevrolet Factory Service Bulletin OBDII Code P0300

7 people found this helpful.
160

Chevy man you are one smart ass guy you know the definition of misfire retard

16 people found this helpful.
50

my 96 2.2l has 0300 code. changed coils plugs wires injectors. get weak spark randomly. could ICM be the cause?

5 people found this helpful.

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