Compression Ignition Addict
Join Date: Jan 2011
Location: jamestown, nd
Thanked 29 Times in 29 Posts
Mentioned: 0 Post(s)
Quoted: 19 Post(s)
Feedback Score: 0 reviews
It's the exhaust back pressure valve used during cold weAther to warm up engine. It was probably malfunctioning nd the previous owner wired it open. It won't hurt anything to run that way. A lot of people actually delete them
Sent from AutoGuide.com Free App
94 F-250 reg cab 4x4 5spd 7.3 stroke. 3inch downpipe, 4 in exhaust. super duty turbo with 1.0 non wastegated exhaust housing ww2 and 360 thrust kit. Intercooler, MB diesel hpop, driven diesel complete efuel, 6637 air filter, kingpin dana 60.
2012 f250 6.7l powerstroke crew cab long box
Note: The maximum size of your custom image is 500 by 100 pixels or 19.5 KB (whichever is smaller).