Too rich/lean

[saleen195]

What does it mean and what causes it?

 

[scheister]

Too rich means you have too much fuel compared to the norm, and too lean means that you have too much air in your mixture. A variety of things can cause this such as your modifications like headers, x-pipe, cams, intake, etc. When you mod your car, you just need to get a custom tune burned on a chip for your EEC that will override the factory settings, OR.........you can just call Tim at www.modularfordpowerhouse.com and have him reflash your computer to automatically adjust the A/F ratio.
You can probably do a search and find more info, but this should get you goin

 

[jas142]

Mmm I love the smell of a V8 running rich

 

[JonJon]

Mmm I love the smell of a V8 running rich

What does it smell like? I think I'm running rich, my MPG has dropped like a rock recently.. 160 miles and I have about 1/8 tank left. Used to get closer to 200 at this mark.

 

[scheister]

hehe...wish mine was that good. Now, I get about only 8-10 mpg.

 

[JonJon]

hehe...wish mine was that good. Now, I get about only 8-10 mpg.

But I'm not blown!!

Just standard bolt ons, pulleys, exhaust, intake plenum, MAF. Not even a TA yet.

 

[CanadianGT]

I think mines running a little rich too but not sure right now. I notices that once in a while that when driving, there's a gas smell. Is something wrong and should I be worried about it?

 

[scheister]

When you let off the gas at about 4500 rpms and are slowing down, do you hear the exhaust pop and crackle alot? If it is, you are probably running a tad rich

 

[JonJon]

When you let off the gas at about 4500 rpms and are slowing down, do you hear the exhaust pop and crackle alot? If it is, you are probably running a tad rich

I hear that and I love that... I thought it was just the x pipe and Packs?

 

[scheister]

I know...it sounds cool, but usually it is the unburnt gases in the midpipe that you hear.. I don't know the best way to describe this, so maybe someone else could pitch in here. Also, if you put your car on a wideband dyno, you will know for sure

 

[JonJon]

I know...it sounds cool, but usually it is the unburnt gases in the midpipe that you hear.. I don't know the best way to describe this, so maybe someone else could pitch in here. Also, if you put your car on a wideband dyno, you will know for sure

I was supposed to get dyno'd a month ago, but our hookup fell through So I have to wait until next semester when I come back up here. But my MPG has fell like a rock