- Joined
- Jun 25, 2021
- Messages
- 178
- Reaction score
- 23
- Points
- 18
- Age
- 48
- Location
- Abilene tx
- Vehicle Year
- 2003
- Make / Model
- Mazda b3000
- Engine Type
- 3.0 V6
- Transmission
- Manual
- 2WD / 4WD
- 2WD
Fuel pressure needs to be 60psi, higher will give you RICH running, fuel pump is capable of 80+psi
Whats the part number of new injectors?
They need to be rated 14 to 19 lb/hr
higher will give you RICH running
Unplugging the MAF sensor puts computer in Open Loop(ignores O2s) so it bases air/fuel mix off tables in memory, no "on the fly" calculations
Unplug IAC valve as well as MAF(after warm up) and see if you can hold a steady idle with gas pedal, or throttle
Varying idle with IAC Valve plugged in can mean computer was varying the idle, if unplugged then computer was just trying to RESPOND to varying idle caused by something else
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