94mazdab4000
New Member
- Joined
- Apr 14, 2020
- Messages
- 20
- Reaction score
- 1
- Points
- 3
- Location
- Grass Valley, Ca
- Vehicle Year
- 1994
- Make / Model
- Mazda B4000
- Transmission
- Manual
Hello all, I'm new here. I have a Mazda B4000 4.0 OHV with a manual transmission.
I'm having surging issues. It lags (has loss of power) until the accelerator is all the way to the floor. I was throwing multiple codes. But have cleared everything up except for code 172. These are the things I've done.
1. New MAF (had code stating it had irregular
voltage)
2. Replaced upper and lower intake manifold gaskets. This got rid of the 176 or 177 code.
3. New IAT sensor or what ever it's called that measures the intake temp.
4. New plugs, wires and coil pack.
5. New fuel filter.
6. Double core alluminum radiator and thermostat, flushed and put zerex in.
7. Checked for air leaks, replaced pcv line and gromit that goes into the brake booster and replaced all other lines so there for sure is no leak.
I've done alot to this truck including a new transmission and clutch. I can't figure out for the life of me what's going on. It's OBD1 so I'm kind of limited by the data on the code reader I have.
The only thing I can think of is that it's a fuel problem and is either faulty injectors or a slowly dying fuel pump. The oil pressure seems really low by the gauge but I don't know of it's works by or no t it stays in one place and does not move.
Any input would be greatly appreciated. Thank you God bless and stay safe out there.
I'm having surging issues. It lags (has loss of power) until the accelerator is all the way to the floor. I was throwing multiple codes. But have cleared everything up except for code 172. These are the things I've done.
1. New MAF (had code stating it had irregular
voltage)
2. Replaced upper and lower intake manifold gaskets. This got rid of the 176 or 177 code.
3. New IAT sensor or what ever it's called that measures the intake temp.
4. New plugs, wires and coil pack.
5. New fuel filter.
6. Double core alluminum radiator and thermostat, flushed and put zerex in.
7. Checked for air leaks, replaced pcv line and gromit that goes into the brake booster and replaced all other lines so there for sure is no leak.
I've done alot to this truck including a new transmission and clutch. I can't figure out for the life of me what's going on. It's OBD1 so I'm kind of limited by the data on the code reader I have.
The only thing I can think of is that it's a fuel problem and is either faulty injectors or a slowly dying fuel pump. The oil pressure seems really low by the gauge but I don't know of it's works by or no t it stays in one place and does not move.
Any input would be greatly appreciated. Thank you God bless and stay safe out there.