94 gmc jimmy Issue

[Everdunn]

I have a 94 gmc jimmy 4.3l v6 vortec Multiport engine and it is Idling erratically/randomly , it suppose to be at 2-3 bars and it jumping to 5+. Any idea what may be the cause of this?

 

[Molson02536]

I have a 94 gmc jimmy 4.3l v6 vortec Multiport engine and it is Idling erratically/randomly , it suppose to be at 2-3 bars and it jumping to 5+. Any idea what may be the cause of this?

Start with the simple and clean out your egr valve and give the engine a http://seafoamsales.com/ treatment. Also inspect your vacuum lines and replace any that are damaged.

Keep us posted

Molson02536