OBD code P0320

01ROUSH · June 29th, 2008, 01:54 AM

Alright guys, you all have help me out alot in the past...I need you again. I just replaced the engine in my 01. The motor went in without any problems ets, etc. Motor is running very smooth, however....when I really get on it (WOT) rpms at about 4500 to 5500 the engine cuts out like its hitting the rev limiter. It will only do this when I have the pedal to the floor, if I ease it up it will go to the rev limiter (have set at 6200 with a diablo tuner) and sputter like its supposed to. Then I got the dreaded check engine light, the code was this: P0320 Ignition Engine Speed (PIP) Input circuit fault.

What will cause this and what do I need to do to fix it?

01ROUSH · July 10th, 2008, 10:29 PM

Come on guys! I'm counting on you...I don't want to go to the "stealership" This problem is killing me..I just wanna go fast and she just won't let me.

Thanks in advance!

mustangrebuilder · July 10th, 2008, 10:36 PM

it sounds like that the ignition is not keeping up with the rpms at WOT.

thats why it could be cutting out at higher rpms at WOT.

can the diablo tuner data log??

mustangrebuilder · July 10th, 2008, 10:41 PM

or it is getting the wrong signal cause its an input fault.

Modified88Dreamer · July 10th, 2008, 11:35 PM

Visually inspect the Crankshaft Position (CKP) sensor wiring and the terminals in the CKP sensor connector. Look for corroded or loose terminal connections, poor solder crimps, wiring insulation damage, intermittent shorts, etc... If you dont see anything wrong replace the CKP sensor

cliffyk · July 12th, 2008, 09:23 AM

Here's what the shop manual says about possible causes for P0320...

I'd double and triple check the wiring,

01ROUSH · July 16th, 2008, 01:17 AM

Thanks for the replies!

Modified88Dreamer...You are the winner!!! I went out and checked the CPK sensor and the connector had worked itself loose and was filthy. After cleaning the connections it clipped right back in place and it works like its supposed to! Thank you very much...I knew that I could count on you guys...your the best!!!!

June 29th, 2008, 01:54 AM	#1
01ROUSH Newbie Join Date: Apr 2008 Posts: 13	OBD code P0320 Alright guys, you all have help me out alot in the past...I need you again. I just replaced the engine in my 01. The motor went in without any problems ets, etc. Motor is running very smooth, however....when I really get on it (WOT) rpms at about 4500 to 5500 the engine cuts out like its hitting the rev limiter. It will only do this when I have the pedal to the floor, if I ease it up it will go to the rev limiter (have set at 6200 with a diablo tuner) and sputter like its supposed to. Then I got the dreaded check engine light, the code was this: P0320 Ignition Engine Speed (PIP) Input circuit fault. What will cause this and what do I need to do to fix it?

July 10th, 2008, 10:29 PM	#2
01ROUSH Newbie Join Date: Apr 2008 Posts: 13	Come on guys! I'm counting on you...I don't want to go to the "stealership" This problem is killing me..I just wanna go fast and she just won't let me. Thanks in advance! __________________ '01 Stage 2 Roush #4682. Steeda Tri-ax short shifter, Motive 3.73 gears, BBK shorty headers, Basani X Pipe, Granatelli Pro COP's, BBK Underdrive pulleys, Lightning 90mm MAF, Accufab 75mm tb and plenum, Typhoon intake, Roush CAI

July 10th, 2008, 11:35 PM	#5
Modified88Dreamer Enthusiast Nowhere to be found Join Date: Nov 2006 Location: Moving back home to Florida Posts: 630	Visually inspect the Crankshaft Position (CKP) sensor wiring and the terminals in the CKP sensor connector. Look for corroded or loose terminal connections, poor solder crimps, wiring insulation damage, intermittent shorts, etc... If you dont see anything wrong replace the CKP sensor __________________ Well, guys its been real and its been fun, but it hasn't been real fun for me the past 3 months. Money has been tight and need to cancel my cable service to save what I can. I hope to chat with ya'll in 6-7 months from now. Bye!

July 12th, 2008, 09:23 AM	#6
cliffyk Regular Join Date: Feb 2007 Location: Saint Augustine, FL Posts: 497	Here's what the shop manual says about possible causes for P0320... I'd double and triple check the wiring, __________________ -cliff knight- My Mustang GT 2003 GT, UPR X, Magnaflow, 180° stat, PP 70mm TB & plenum, Sniper Commando tuned 3.73s, 252 rwHP/296 ft.lb. Multi-fuel: burns gas and rubber...

July 16th, 2008, 01:17 AM	#7
01ROUSH Newbie Join Date: Apr 2008 Posts: 13	Thanks for the replies! Modified88Dreamer...You are the winner!!! I went out and checked the CPK sensor and the connector had worked itself loose and was filthy. After cleaning the connections it clipped right back in place and it works like its supposed to! Thank you very much...I knew that I could count on you guys...your the best!!!! __________________ '01 Stage 2 Roush #4682. Steeda Tri-ax short shifter, Motive 3.73 gears, BBK shorty headers, Basani X Pipe, Granatelli Pro COP's, BBK Underdrive pulleys, Lightning 90mm MAF, Accufab 75mm tb and plenum, Typhoon intake, Roush CAI

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July 10th, 2008, 10:36 PM	#3
mustangrebuilder Enthusiast Join Date: Sep 2006 Posts: 957	it sounds like that the ignition is not keeping up with the rpms at WOT. thats why it could be cutting out at higher rpms at WOT. can the diablo tuner data log??

July 10th, 2008, 10:41 PM	#4
mustangrebuilder Enthusiast Join Date: Sep 2006 Posts: 957	or it is getting the wrong signal cause its an input fault.

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