Spark plug, plug wire, distributor cap. Any one are more of what I have listed could cause a miss fire. #7 cylinder will be the last spark plug in the rear of the drivers side head. Didn't know if you new are not.
no
To find the misfire, check the crankshaft sensor on the 1999 suburban. Check for the proper fuel pressure, and check the ignition coils.
Trouble code P0304 means: Cylinder 4 Misfire Detected
If it has the coil-on-plug design, it could be coolant dripping on the coil. There's a bulletin on it.
A misfire code on a 1999 Chevrolet Suburban can be caused by several factors, including faulty spark plugs or ignition coils, which lead to incomplete combustion. Other potential causes include clogged fuel injectors, low fuel pressure, or vacuum leaks that disrupt the air-fuel mixture. Additionally, issues with the engine's compression or a malfunctioning engine control module (ECM) could also trigger a misfire code. Diagnosing the specific cause typically requires a thorough inspection of the ignition and fuel systems.
P0304 : cylinder number 4 misfire.
a bad wire or a bad coil to cylinder 5.
How do you replace a starter in a 1999 suburban
Trouble code P0301 means: Number 1 Cylinder Misfire Detected
P0306 Cylinder 6 Misfire Detected
Starter misaligned? Starter engaged with engine running? Metal fatigue?
On my 1999 Chev Suburban the answer is the fuel filter. It appears when going uphill and trying to give it a lot of gas the engine is not get enough and misfires. I replace the fuel filter and the light goes away. It comes back after a while and I just change the fuel filter. I have 227,000 miles on my suburban