lq4 spark knock/missfire at idle

Reply Subscribe

Thread Tools

Search this Thread

Apr 21, 2015 | 12:06 PM

#31

GMC93

Launching!

Joined: Sep 2012

Posts: 236

Likes: 2

From: Lorena,Tx

Is there any exhaust hitting the frame or anything? like poor fitting headers

Apr 21, 2015 | 05:45 PM

#32

felskee

Thread Starter

Teching In

Joined: Jul 2012

Posts: 39

Likes: 1

the missfire and the timing being pulled is completely unrelated . i think my timing is being pulled from the unproper torque on the knock sensors. missfire/rough idle is anybodys guess

Reply Subscribe

Related Topics

Thread

Thread Starter

Forum

Replies

Last Post

Possible to swap an 8.1L into a GMT900 truck?

calsdad

8-Lug Truck Performance

Jun 14, 2023 11:07 PM

issues after cam install

bearden86

GM Engine & Exhaust Performance

Nov 15, 2015 03:58 PM

Kooks Cat ??

BlownHD

GM Engine & Exhaust Performance

Oct 3, 2015 12:24 PM

Denali Lean Codes

02AWDAWSDenali

GM Engine & Exhaust Performance

Oct 1, 2015 05:08 PM

Heads/cam/intake lq4

Slammed silverado

GM Engine & Exhaust Performance

Sep 28, 2015 06:14 PM

Reply Share

First
Prev
4 / 4
Next
Last