|
|
|
|
||||||||||
| Xoutpost server transfer and maintenance is occurring.... |
| Xoutpost is currently undergoing a planned server migration.... stay tuned for new developments.... sincerely, the management |
 |
|
|
LinkBack | Thread Tools | Display Modes |
|
#11
01-28-2014, 06:11 PM
|
|||
|
|||
|
| Sponsored Links | |
|
|
|
|
#12
01-28-2014, 07:02 PM
|
||||
|
||||
|
You can check the short term fuel trim and long term fuel trim. When the engine is reved, the short term fuel trim should either go up or go down, this is when the 02 sensor is either adding fuel to the mixture of taking fuel away. If you don't have movement in the graph, your 02 sensor could be bad, but in order to perform this test you need to be in closed loop.
__________________
2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD
|
|
#14
02-03-2014, 04:53 PM
|
||||
|
||||
|
Quote:
Bad cat usually has more severe symptoms that you are experiencing. Engine won't rev normally and it will have what sounds like more fan noise. Bother symptoms are because the exhaust is very restricted. Bad pre cat O2 sensor will cause the engine to miss though should not be cylinder selective. I suggest you switch the new injector with another cylinder and see what you get. I am guessing 4 will not miss, 5 will still show it has a miss, and the cylinder where the new injector will show a miss. If that is the case my conclusion would be the new injector is not working properly or is not the correct injector and the cause of the miss in 5 is not the injector.
__________________
 X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interiorDallas
|
|
#15
02-11-2014, 04:12 PM
|
|||
|
|||
|
I have the new injector in 4 now and the injector from 4 in 5. Getting only misfire on 5 and lean code. I have ordered a new 02 sensor I found for $40 on ebay. If this doesn't work I am thinking it must be the cat. Is it possible to replace the catyltic converter with a straight pipe? or a universal maganflow? really don't want to pay $1000 for a new cat.
|
|
#16
02-11-2014, 05:03 PM
|
||||
|
||||
|
Quote:
You could have a bad MAF.
__________________
2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD
|
|
#17
02-11-2014, 07:24 PM
|
||||
|
||||
|
If there is a problem with the MAF the idle should increase and smooth out when the connector is removed.
Regardless I would clean the MAF--easy and inexpensive to do. Use MAF cleaner only. Spray generously and until all wires are clear of any deposits. Be sure to include the wires on both sides of the sensor.
__________________
X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interiorDallas
|
|
#19
02-11-2014, 08:09 PM
|
||||
|
||||
|
Is it OE or OEM?
__________________
X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interiorDallas
|
|
| Bookmarks |
|
|
|
|
Linear Mode
