Post by
duck3986 »
https://forums.nicoclub.com/duck3986-u4892.html
Mon Jun 14, 2004 4:05 am
I have a '98 Q45 with 90k miles and have had it since 62k miles.
I'd like to ask about O2 sensors, MAF's and other sensors.
Do they degrade over time? Is it worth replacing any sensors/monitoring components even if you have no codes or does the old adage "if it ain't broke, don't fix it apply?
Can the wires on the MAF be cleaned?
Recently my car seems sluggish, especially at lower rpms in 2nd gear. I get a hesitation or a bogging down (like a carberated car in the cold weather with the choke on and that might need a tune-up), then as the rpm pick up over 2k, it seems to pick up steam. Idle is very smooth and startup is fine. A few times it almost seemed as if the transmission was slipping. It's a rebuilt from Infiniti, installed at 67k miles.
No noticeable missing at higher rpm. I did the plugs 20k miles ago, they should be fine. Cleaned the K+N air filter 2k miles ago. I have to check my records to see if I ever did the fuel filter.
I'm going to put Techron in, put a clean paper air filter in just 'cause I have one handy.
Any suggestions are much appreciated!Don Cummings