Notices
GM Engine & Exhaust Performance EFI | GEN I/GEN II/GEN III/GEN IV Engines |Small Block | Big Block |

Installed a new MAF truck falls on its face?

Thread Tools
 
Search this Thread
 
Old 05-04-2003, 03:27 AM
  #1  
On The Tree
Thread Starter
iTrader: (3)
 
INDIGO 5.3's Avatar
 
Join Date: Apr 2003
Location: san diego,ca
Posts: 142
Likes: 0
Received 0 Likes on 0 Posts
Default Installed a new MAF truck falls on its face?

I finally bought a new stock maf for my truck a couple of days ago, my old one was descreened. It feels MUCH better now, more bottom end and pulls a little harder than before off the line. BUT, the damn truck falls on its face when shifting from 1-2nd, and even worse from 2-3rd when flooring it. Is this toque management? If it is , it really is starting to **** me off . On the second day after I had installed the new maf I had already put about 300 miles on the truck . The truck actually chirped the tires from 1-2nd at one time but it feels like it wants to really shift harder but won't. WTF is going on here?
Oh yeah , I had been running the descreened maf for about 32,000 miles if that means anything.
Old 05-04-2003, 10:13 AM
  #2  
TECH Enthusiast
 
Join Date: Apr 2003
Location: Las Vegas
Posts: 732
Likes: 0
Received 0 Likes on 0 Posts
Default Re: Installed a new MAF truck falls on its face?

Any changes to air and fuel metering equipment will screw with the computer. It thinks that all is running the same, then wammo, the numbers are off. They say that the computer takes a full week to adapt to new performance parts, or changes to metering equipment.
Old 05-04-2003, 05:04 PM
  #3  
Moderator
 
Join Date: Feb 2002
Location: Clyde, California
Posts: 1,908
Likes: 0
Received 0 Likes on 0 Posts
Default Re: Installed a new MAF truck falls on its face?

My guess is that it is TM. If it chirped the tires, the ECM may be pulling timing so that doesn't happen again. It's the ECM's way of saving your drive line. I have a little stumble from 1-2 and a little more from 2-3. It's not bad enough that it bugs me yet. I was thinking about getting a Billet servo and was wondering if the TM would try and reduce the hardness of the shifts or if the ECM can even control what the servo does.
Jim
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
wrb002
PROJECTS GALLERY
18
08-31-2015 12:00 PM
92SS Wagon
GMT 900 Trucks General Discussion
14
08-04-2015 06:42 PM
black6spdz
Trucks and SUV Classifieds
9
07-16-2015 01:32 AM
Suburban2500
GMT 800 & Older GM General Discussion
2
07-14-2015 02:10 AM



Quick Reply: Installed a new MAF truck falls on its face?



All times are GMT -5. The time now is 02:46 AM.