Pelican Parts
Parts Catalog Accessories Catalog How To Articles Tech Forums
Call Pelican Parts at 888-280-7799
Shopping Cart Cart | Project List | Order Status | Help



Go Back   Pelican Parts Forums > Porsche Forums > Porsche 914 & 914-6 Technical Forum


Reply
 
LinkBack Thread Tools Rate Thread
Author
Thread Post New Thread    Reply
Registered User
 
Join Date: May 1999
Location: Salt Lake City, Utah
Posts: 4
Emissions


I have a 76 2.0. I am trying to get it to pass emmisions for the first time. The engine is newly rebuilt(350 miles), and runs great.The co reading is 7.54% at 15mph and 10.24% at 25mph. The max is 3.79% at 15mph and 3.34% at 25mph. The co2, the o2, the hc, and the no, are well within the limitaions. How can I get the co% down? Adj. the cpu? The pressure sensor? Will the 1.7 and 2.0 pressure sensors interchange? Also is there an on-board co guage I can install in the car. Where can I get one. Any help to any of these questions is much appreciated.
Old 06-24-1999, 03:00 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #1 (permalink)
Registered User
 
John Rogers's Avatar
 
Join Date: Dec 1969
Location: chula vista ca usa
Posts: 5,228
The only exhaust measurment readily available is the O2 sensor which you can get as a kit and weld the boss to one of the collectors. It tells how close to an ideal mixture you have. I thought 1976 cars had the air pump? Make sure all the parts are working correctly, as when we do our 1974 we have to swap parts sometimes to get everything in spec. There is an earlier post by Dave D. and he tells what readings are affected by which emissions gizmos, it should be on this site somewheres.
Old 06-24-1999, 09:22 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #2 (permalink)
Registered User
 
Join Date: Apr 1999
Location: vienna,VA,usa
Posts: 148
i have seen a site with the schematic for an exhaust gas analyzer. i think your 75 exhaust could have a fitting for an O2 sensor. the analyzer displays mixture readings by LED's. looked buildable. my mechanic adjusted the pressure sensor (74) to get close. valve lash made the biggest difference in all things tried. idle still oscillates but runs very good! i've read pressure sensor has greatest affect on emissions controls/mixture controls.
Old 06-25-1999, 07:34 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #3 (permalink)
Reply

Thread Tools
Rate This Thread
Rate This Thread:

 


All times are GMT -8. The time now is 09:21 PM.


 
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2018 Pelican Parts, LLC - Posts may be archived for display on the Pelican Parts Website -    DMCA Registered Agent Contact Page
 

DTO Garage Plus vBulletin Plugins by Drive Thru Online, Inc.