rathr-b-cruisin
Member
- Joined
- Sep 23, 2014
- Messages
- 102
- Reaction score
- 0
- Points
- 16
- Vehicle Year
- 1998
- Make / Model
- Ford
- Engine Size
- 5.0L
- Transmission
- Automatic
Been working on this truck for a while, new coil, plugs wires, MAF sensor, TPS, O2 sensors. just had a new muffler put on, i had to wait for the front pipe to come in, so i just got it back from the shop and he tells me that it is running lean. showed me the new muffler and it was grey, like ashy looking he said it was probably glowing and it must be running lean. I'll be playing again tomorrow. changing T-Stat, looking for vacuum leaks. probably check the fuel pressure.
any more ideas as to what causes it to run lean? It was running ok, then i put a new battery in it and it ran good, then on my way to work it started chugging and could hardly run unless it was floored. then it ran smooth, this would make me think fuel pressure regulator.
any more ideas as to what causes it to run lean? It was running ok, then i put a new battery in it and it ran good, then on my way to work it started chugging and could hardly run unless it was floored. then it ran smooth, this would make me think fuel pressure regulator.