Questions & Answers for: Chevrolet Blazer code for 300

...code came up and a 300 misfire code. is this the CKP sensor or can the problem be somewhere eles. Fuel reg.? I would replace the crankshaft position sensor, the codes would indicate a problem

...Probably can't hurt. The 300 code is ignition system/misfire. And the 440 code has to do with emissions. The misfire condition is probably causing a sensor to pick up a problem with your ...

...300 code. What do I need to check? Hello... So that we are all on the same subject. The code means Multiple Misfires are being detected. This can be caused by a bad Fuel Pump, Fuel Regulator, Bad ...

code 300..... Replaced both o2 sensor but still have the code 300. Can crank sensoe be bad? How do I test w/o factory scan tool? code P0302 is cylinder # 2 misfire, code 300 is misfire detected. could

...306. It !st was error code 300. The motor is a 4.3 V6 check routing of ignition wires--especially on cylinder #6. wires too close to engine may leak sparks. May want to buy new wires if yours are

...code is still there! They told me to drive it for the weekend and etest again! Well i did that and it still failed and now they want to change the other sensors and do a induction service to it for ...

...code in the low 300's. When you get the code it will tell you which cylinder. If you get a straight 300 it means multiple misfires. Right now if the light is only flashing, check the secondary ...

...If you have any MIL Lamps on the dash after the motor is running,why have you not checked for codes,diagnosed & resolved those

...code po 300 on my 2002 chevy blazer need to know what to check This is a misfire code. Start with the basics, fuel filter, spark plugs, vacuum leaks, wires etc. If after checking/changing necessary ...

where is the evap vent solenoid on a chevy blazer 2001 have a code 449 and 300 inside the gastank