frederickm86
New Member
- Joined
- Feb 20, 2011
- Messages
- 1
- Reaction score
- 0
- Points
- 0
- Vehicle Year
- 1996
- Make / Model
- Ford
- Transmission
- Manual
I have a 1996 2.3L. I was originally pulling codes for Insufficent EGR flow as well as Ignition Circuit 1 & 2. After putting in close to $1000 into this truck I am currently pulling P1506 Idle Air Control Overspeed. The truck is no longer pulling the previous codes (EGR & Ignition). The truck idles at 1100 when started. While you are driving idle seems normal. When you stop or engage clutch idle runs anywhere from 1500-2000. Add the heater running and that number increases by 500-600. There are numerous threads relating to this issue but here is what I've replaced in the last two months.
EGR valve
DPFE
PCV valve
Full tuneup(plugs, wires, all filters, etc.)
IAC (x3 thinking I've recieved defective units)
TPS
Oil Pressure Switch
Coolant Temp Sensor
Temperature Sending Unit
Radiator (unrelated)
Thermostat (unrelated)
Belt Tensioner (unrelated)
Clutch, rear main seal, & slave cylinder (obviously not related)
Brakes all around (also unrelated)
I've checked for vacuum leaks, there are none that I can find. I'm thinking the only things left to replace are MAF sensor, EVAP system (I've heard that can indirectly cause this problem), or the PCM itself. I really desperately need some help. My registration has expired and the truck will not pass inspection with this issue and no renewing registration without inspection. I've put almost the value of the vehicle into repairs but it's too late to regret it now. If anyone has had a similar problem I am open to any and all suggestions. I've also gone as far as putting on the old IAC to see if that made a difference but it did not. After resetting pcm this code comes back anywhere from next startup to 30-40 miles down the road. Thank you in advance for any help or ideas.
EGR valve
DPFE
PCV valve
Full tuneup(plugs, wires, all filters, etc.)
IAC (x3 thinking I've recieved defective units)
TPS
Oil Pressure Switch
Coolant Temp Sensor
Temperature Sending Unit
Radiator (unrelated)
Thermostat (unrelated)
Belt Tensioner (unrelated)
Clutch, rear main seal, & slave cylinder (obviously not related)
Brakes all around (also unrelated)
I've checked for vacuum leaks, there are none that I can find. I'm thinking the only things left to replace are MAF sensor, EVAP system (I've heard that can indirectly cause this problem), or the PCM itself. I really desperately need some help. My registration has expired and the truck will not pass inspection with this issue and no renewing registration without inspection. I've put almost the value of the vehicle into repairs but it's too late to regret it now. If anyone has had a similar problem I am open to any and all suggestions. I've also gone as far as putting on the old IAC to see if that made a difference but it did not. After resetting pcm this code comes back anywhere from next startup to 30-40 miles down the road. Thank you in advance for any help or ideas.