xj88kjetil
NAXJA Forum User
- Location
- Norway
Have been checking my spark plugs regularely lately... They are all white as snowr, indicating to me that my engine is running lean... btw. it is a RENIX with 130k miles on it... (compression test checked out just fine)
It's NOT oil deposits. I DO know the difference...
Any of you guys seen this colour on your RENIX spark plugs? Is it supposed to run this lean? (you never know what the car manufacturers think up to reduce emissions...)
I have changed almost everything on my engine (TPS,CPS,O2 sensor, fuel pressure regulator, fuel filter) except engine temp sensor and MAT. You think theese could be at fault? (haven't tested the engine temp sensor, as I'm expecting a new one to arrive any day now. The MAT seems to be a little bit off when tested, but the only reliable way I have to test it at different temperatures is to test it in water, and I fear this might affect results??)
I have searched for any vacuum leaks without any luck, and I have blocked my EGR system without this affecting anything (so it seems). (Except it cured my high idle problem once and for all... :laugh3: )
Anything I missed?
BTW: Going to try to order a MAT sensor from partsamerica again soon. They were temporarely out when I placed my last order.
It's NOT oil deposits. I DO know the difference...
Any of you guys seen this colour on your RENIX spark plugs? Is it supposed to run this lean? (you never know what the car manufacturers think up to reduce emissions...)
I have changed almost everything on my engine (TPS,CPS,O2 sensor, fuel pressure regulator, fuel filter) except engine temp sensor and MAT. You think theese could be at fault? (haven't tested the engine temp sensor, as I'm expecting a new one to arrive any day now. The MAT seems to be a little bit off when tested, but the only reliable way I have to test it at different temperatures is to test it in water, and I fear this might affect results??)
I have searched for any vacuum leaks without any luck, and I have blocked my EGR system without this affecting anything (so it seems). (Except it cured my high idle problem once and for all... :laugh3: )
Anything I missed?
BTW: Going to try to order a MAT sensor from partsamerica again soon. They were temporarely out when I placed my last order.