Misfire, no spark on passenger side of engine

Tiny
JESSERIDES
  • MEMBER
  • 2000 CHEVROLET SUBURBAN
  • 0.6L
  • V8
  • 4WD
  • AUTOMATIC
  • 275,500 MILES
No spark on passenger side of engine. Still starts but no fire to four plugs on right side of engine.
Sunday, June 16th, 2019 AT 11:14 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,602 POSTS
Hello,

There are many fuses and grounds (see diagrams below) that need to be checked before we can call the PCM being bad. Here is a guide to help check for power at the fuses and to check the PCM grounds using the engine wiring diagrams below:

https://www.2carpros.com/articles/how-to-check-wiring

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
Images (Click to make bigger)
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Tuesday, June 18th, 2019 AT 2:00 PM

Please login or register to post a reply.

Related No Spark Content

Ignition Spark Check
GUIDE
Ignition Spark Check
An engine's ignition system is responsible for igniting the fuel-air mixture inside the combustion chamber and when the ignition process stops the engine will not run....
VIEW MORE

Sponsored links