HELP with 4.6L Running Super Rich - MustangForums.com



4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Reply
 
 
 
Thread Tools Search this Thread
Old 12-14-2013, 12:26 PM   #1
waltrobak
Thread Starter
 
Join Date: Jan 2012
Location: NY
Posts: 24
Default HELP with 4.6L Running Super Rich

I have an 01 Mustang 4.6L that is running Super, Super rich. The motor was transplanted from a Mustang into a Jeep Wrangler. I purchased the wire Harness from RJM Injection Tech along with the custom tune in an SCT hand held unit. RJM is as worthless as worthless can be, fair warning, do NOT ever buy anything from that company. Anyway, the harness seems to ring out correctly with the sensors to the correct pins and I replaced the MAF, IAT, CAM, Crank and the (2) font O2 sensors with Ford OE sensors. Also have new and replaced again new spark plugs. I can just barley get the engine to start and when it does all 4 plugs in the right bank turn black with carbon and all 4 in the left bank are dripping with fuel. I just tried another custom tune from JMS Chip & Performanace and that does not seem to change anything. The motor was running in the donor car when I purchased it and the computer is the one from that car as well. Any thoughts as what can be making it run likes this?? Totally baffled at this point.

Thanks
Walt
waltrobak is offline   Reply With Quote
Old 12-14-2013, 02:56 PM   #2
TXMach
1st Gear Member
 
TXMach's Avatar
 
Join Date: Dec 2013
Location: Georgia
Posts: 141
Default

Is this engine stock? Are you running a tune for a custom set-up with a stock engine? I wonder if the tune is meant for a set-up that takes in much more air. Have you tried running on the stock tune?
TXMach is offline   Reply With Quote
Old 12-14-2013, 03:11 PM   #3
cliffyk
TECH SAVANT
 
cliffyk's Avatar
 
Join Date: Dec 2006
Location: Saint Augustine, FL
Posts: 10,929
Default

Is it a stock Mustang 4.6, 2V MAF?

Stock injectors (should be orange)?

What is the fuel pressure, should be 28 psi or so, at the rail at idle?

What sort of fuel system are you running, has the tune been set to run with whatever fuel supply you are running?
cliffyk is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
2010 Mustang GT, Supercharged, 8700 miles, SE Pennsylvania Galactic Mustangs For Sale 9 03-30-2017 06:44 PM
01 Mustang Overheating :( MusicCity615 General Tech 7 09-12-2015 07:05 AM
Best Extreme Performance Summer Tires for our Mustangs? M3hunter S197 Handling Section 0 09-05-2015 03:42 PM
Coverking SatinStretch S197 Indoor Cover aleit2013 Parts For Sale 0 09-04-2015 11:58 AM
New member and just bought my first mustang Luke9222 New Member Area 7 09-04-2015 06:46 AM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Forum Jump


All times are GMT -5. The time now is 11:45 PM.