ConnieGallas
New Member
- Joined
- Apr 19, 2020
- Messages
- 13
- Reaction score
- 1
- Points
- 3
- Location
- 98844
- Vehicle Year
- 1996
- Make / Model
- Mazda B4000
- Engine Type
- 4.0 V6
- Transmission
- Automatic
- 2WD / 4WD
- 4WD
- Total Lift
- All Stock
- Total Drop
- None
- Tire Size
- 245/75/15
I just removed the IAC, throttle body and upper intake plenum and cleaned all the carbon build up off. That fixed the problem I was having with it taking 3-5minutes to idle down to 1100 rpm everytime I started it. Now it takes 1-2 minutes to find it's idle speed at 900-1000rpm but once it is put into drive or reverse the rooms go up to between 1600-2200rpms and stays there until I put it in park or neutral and then it takes another couple minutes to idle back down to 900-1000rpmsbut when I put it back in gear, there we go again racing down the hill. I'm not getting a check engine light.Two questions. #1 what could be causing this problem and #2 How many start/drive cycles does it take to trigger an OBD code? I reset the PCM after I cleaned my air intake components. Sorry for the lengthy post.