DieselTalk

DieselEngineTrader's FREE Diesel Engine Forums

new topic search Categories login View Caterpillar Engines

CATEGORY LISTINGS > CATERPILLAR > 3406E overfueling? when over 170 degrees [ REFRESH ]
Thread Title:

3406E overfueling? when over 170 degrees


Created On Tuesday October 13, 2009 10:58 Diesel Talk
Diesel Talk Forum

Workaholic
Diesel Talk Forum
Posts: 2
Joined: Oct 2009

Note Tuesday October 13, 2009 10:58 View thread in raw text format
Diesel Talk
Help
I have a 2000 Cat 3406E that runs great in the morning but after the first half hour when the engine(and weather) get warmer,
the fan kicks on and I start getting black smoke and lose some power. It seems like it may be overfueling and the ECM is kicking on the fan but that's just a guess. Anyone one else ever see this?
Thanks for any ideas....

Workaholic
Diesel Talk Forum
Reply Diesel Talk Forum Quote Diesel Talk Top Diesel Talk Forum Bottom Diesel Talk
Diesel Talk Forum
Diesel Talk Forum

desertstormboy
Diesel Talk Forum
Posts: 372
Joined: May 2008

Note Friday October 16, 2009 17:46 View users profile View thread in raw text format
Diesel Talk
the fan only will come on when 1: the engine temp reaches the 210 mark 2: the a/c is on and the head pressure is high and 3: if you manually kick it on and 4: if your settings are for the fan to come on when the jake is in hi mode.

-------------------------
 IT WENT BING BANG BOOM!
Diesel Talk Forum
Reply Diesel Talk Forum Quote Diesel Talk Top Diesel Talk Forum Bottom Diesel Talk
Diesel Talk Forum
Diesel Talk Forum

Workaholic
Diesel Talk Forum
Posts: 2
Joined: Oct 2009

Note Saturday October 17, 2009 09:17 View thread in raw text format
Diesel Talk
That's why I'm scratching my head. It seems like I'm getting a cylinder missing with the black smoke but I don't understand why the fan is coming on. Temperature isn't nearly high enough for the fan and the AC isn't on. My guts say injector but I'm also not getting any codes or the Check Engine Light. Once that fan comes on it stays on until I hit the off ramp and the load comes off. Then we go back to normal. Also noticed the fuel turning black in the primary filter, I'm guessing combustion gases.

Edited: Saturday October 17, 2009 at 09:19 by Workaholic
Diesel Talk Forum
Reply Diesel Talk Forum Quote Diesel Talk Top Diesel Talk Forum Bottom Diesel Talk
Diesel Talk Forum
Diesel Talk Forum

desertstormboy
Diesel Talk Forum
Posts: 372
Joined: May 2008

Note Sunday October 18, 2009 14:49 View users profile View thread in raw text format
Diesel Talk
if that is the case maybe the actual temperature is high enough to be kicking on the fan, but not showing on the dash. feel the radiator hoses and see if the thermostats are opening. could possibly be a water pump failure and not circulating the coolant. are you losing any coolant?

-------------------------
 IT WENT BING BANG BOOM!
Diesel Talk Forum
Reply Diesel Talk Forum Quote Diesel Talk Top Diesel Talk Forum Bottom Diesel Talk
Diesel Talk Forum
Diesel Talk Forum

DDS
Diesel Talk Forum
Posts: 34
Joined: Aug 2008

Note Saturday November 14, 2009 06:16 View thread in raw text format
Diesel Talk
A faulty intake air temp sensor will cause the fan to come on
Diesel Talk Forum
Reply Diesel Talk Forum Quote Diesel Talk Top Diesel Talk Forum Bottom Diesel Talk
Diesel Talk Forum
CATEGORY LISTINGS > CATERPILLAR [ REFRESH ]
Adelman's Truck Parts Corp.
Adelman's Truck Parts Corp.
Duncan Rogers (Engineering) Ltd
Duncan Rogers (Engineering) Ltd
Big Bear Engine Company
Advertize on Diesel Engine Trader

Customer Testimonials

Newsletter

Subscribe to our mailing list to get all the latest DET news.as well as daily or weekly notifications of new engines, gensets and spare parts listings.

'Over 50% of my sales come through DieselEngineTrader.com - I really like the site, it's the best website for advertising my inventory.'

Jim Williams, Diesel Power Train Co., Colbert, WA, USA

'Just want to say, I enjoy this site & appreciate the folks who put it together. Keep it going!'

Troy Kuntz, Texas, USA

'DieselEngineTrader.com was the first place I went to sell my engine and I started hearing from people as soon as the engine was posted. I got 8 inquiries in 10 days and sold it to a guy in Virginia.'

Barbara Mitchell New Hampshire USA

Copyright Diesel Engine Trader 2015