Question about 2006 Ford F-250 Super Duty

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The engine doesnt start and it is giving me that P2291 ICP TOO LOW engine cranking and also P2617 CKP signal circuit open

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Checking the circuit to the crankshaft sensor there is no voltage. Could this an open circuit.

Two wires at the sensor connector ?
Vehicle Connector Pin Circuit E-Series,
F-Super Duty,
Mustang 170 Pin E47
E46 CKP+
    Note: The battery should be fully charged and the starting system should be functioning properly.
  • Disable the inertia switch.
  • Key ON, engine OFF.
  • Access the PCM and monitor the RPM PID.
  • Crank the engine.
Is the RPM greater than 150 RPM? Yes No The CKP, PCM, and harness are working properly.

The concern is elsewhere. RETURN to Section 3 , Symptom Charts for further direction. GO to JD2 . JD6 CHECK FOR SHORT BETWEEN CKP(+) AND CKP(-) IN THE HARNESS
  • Key in OFF position.
  • PCM connector disconnected.
  • Measure the resistance between:

    ( + ) CKP Sensor Connector, Harness Side ( - ) CKP Sensor Connector, Harness Side CKP+ CKP-
Is the resistance greater than 10K ohms? Yes No GO to JD7 . REPAIR the short circuit. CLEAR the DTCs. REPEAT the self-test. JD7 CHECK THE CKP CIRCUIT(S) FOR AN OPEN IN THE HARNESS
  • Measure the resistance between:

    ( + ) CKP Sensor Connector, Harness Side ( - ) PCM Connector, Harness Side CKP- CKP- CKP+ CKP+ Are the resistances less than 5 ohms? Yes No GO to JD8 . REPAIR the open circuit. CLEAR the DTCs. REPEAT the self-test.

Sep 14, 2016 | 2006 Ford Explorer

2 Answers

I have these codes reading now po700 po335 and po727 any idea what to check first on 03 kia sorento. my car lost power then shut off, then wouldn't start

p0335 is a crank shaft sensor error. This sensor is what tells the ECM when to send spark to plugs. That is why it wont start.

Apr 02, 2016 | Kia Cars & Trucks

1 Answer

If we replaces the feul pump on my 2002 prizm and it still won't run what else can it be?

Did you check the EFI relay an circuit opening relay ? these relays power the fuel pump !
The circuit opening relay provides ignition positive voltage to the fuel pump. The circuit opening relay is controlled by the powertrain control module (PCM) and receives ignition positive voltage from the EFI relay. The PCM monitors the crank signal circuit, terminal C3-11, for voltage when the ignition switch is in the START (engine cranking) position. When the crank signal circuit indicates the engine is cranking the PCM energizes the circuit opening relay. The PCM also energizes the circuit opening relay whenever reference pulses from the crankcase position (CKP) sensor circuit are detected. If the crank signal circuit does NOT indicate the engine is cranking the PCM will energize the circuit opening relay based only upon reference pulses.

Jun 08, 2015 | Cars & Trucks

1 Answer

What is code P1351

Dec 30, 2011 | 2003 GMC Yukon Denali

1 Answer

Engine stalls while driving

That would be a symptom of a crankshaft postion sensor going bad . Shorting out when heated up . But unfortunately thier are other sensors that can cause the same problem . Plus the ICM - ignition control module could cause that problem as well . OH yea , almost forgot you vehicle has two crankshaft position sensors . You best bet , take it to a qualified repair shop that has the diagnostic tools to trouble shoot the problem .
The electronic ignition (EI) system consists of the following components and wiring circuits:
• The ignition control (IC) module
• The ignition coils
• The powertrain control module (PCM)
• The 24X crankshaft position (CKP) sensor
• The 7X CKP sensor
• The camshaft position (CMP) sensor
The EI wiring circuits listed here use the following service common names. Between the IC module and the PCM:
• Low resolution engine speed signal
• IC timing control
• IC timing signal
• Low reference
Between the 7X CKP sensor and the IC module:
• CKP sensor (1) signal
• Low reference
Between the 24X CKP sensor and the PCM:
• Medium resolution engine speed signal
• 12-volt reference
• Low reference
Between the CMP and the PCM:
• CMP sensor signal
• Low reference
• 12-volt reference
The IC module also receives power and chassis ground through the following circuits:
• Ignition (1) voltage
• Ground

When it stalls check for spark , pull spark plug wires off the same coil an crank the engine . Is thier spark jumping from one coil tower to the other ? Make sure it's a lack of spark problem .

Mar 26, 2017 | 2002 Chevrolet Venture Passanger

2 Answers

Van will not start code p0725 what to do

Without knowing make or model Po725 is a Chrysler code for Engine Speed Sensor Circuit
Possible Causes- - Open or shorted CKP sensor circuit condition
- Poor CKP sensor electrical connection
- Check communication error between the ECM and TCM
- Failed CKP Sensor
When is the code detected- The P0725 Codes is triggered when TCM does not receive the engine speed signal from ECM. Chrysler description- The Engine Control Module (ECM) monitors the engine speed through the Crankshaft Position (CKP) sensor with the engine running, and send signal to the Transmission Control Module (TCM

May 09, 2011 | Chrysler Town & Country Cars & Trucks

1 Answer

I need a honda car code , i can't turn on my radio

service manual.
Code Description Possible Cause
0 ECU / ECU signal No signal to ECU
1 Oxygen sensor circuit Oxygen sensor or circuit, ECU
2 Oxygen sensor circuit Oxygen sensor or circuit, ECU
3 MAP sensor circuit Map sensor circuit
4 CKP sensor / engine speed (RPM) Crank angle sensor or circuit, ECU
5 MAP sensor circuit MAP sensor or circuit, mechanical
6 ECT sensor circuit ECT sensor or circuit, automatic
transaxle control unit
7 TPS / Angle Sensor TPS sensor or circuit, automatic
transaxle control unit
8 CKP sensor / engine speed (RPM) Crank angle sensor or circuit, ECU
9 CMP sensor CMP sensor or circuit
10 IAT sensor IAT sensor or circuit
11 Idle Mixture Adjuster Sensor Idle mixture adjuster sensor or
12 EGR system fault No EGR action, faulty EGR valve
13 BARO sensor circuit BARO sensor or circuit
14 Idle Air Control valve circuit / ECU Open or shorted out ignition signal
circuit / No signal to ECU
15 Ignition Output signal Open or shorted ignition output
signal circuit
16 Fuel Injector Circuit Open or shorted fuel injector
17 VSS circuit VSS sensor or circuit
18 Ignition Timing Adjuster Open or shorted signal circuit
19 A/T Lock-up control solenoid Open or shorted signal circuit,
Lock-up control solenoid lock-up solenoid
20 Electrical Load Detector / Sensor Electrical load detector or circuit
Fault Code Definitions (21 - 59)
Chapter 3 22
Code Description Possible Cause
21 Spool Solenoid Valve Open or shorted signal circuit,
spool solenoid valve
22 Valve Timing Electronic Oil Open or shorted signal circuit,
pressure switch valve timing oil pressure switch
23 Knock sensor circuit Knock sensor or circuit
30 AT / ECU communication signal A AT control unit, ECU
31 AT / ECU communication signal B AT control unit, ECU
35 Traction control / ECU / signal Traction control module, ECU
36 Traction control / ECU / signal Traction control module, ECU
41 Oxygen sensor heater - left side Oxygen sensor / heater or circuit
42 Oxygen sensor heater - right side Oxygen sensor / heater or circuit
43 Fuel Supply system - left side Oxygen sensor or circuit, fuel
44 Fuel Supply system - right side Oxygen sensor or circuit, fuel
45 Fuel metering - left side Injector control circuit, incorrect
fuel metering
46 Fuel metering - right side Injector control circuit, incorrect
fuel metering
48 Heated oxygen sensor Oxygen sensor or circuit
53 Right Knock Sensor Right knock sensor or circuit
54 CKP sensor 2 CKP sensor 2 or circuit
59 CMP sensor 2 CMP sensor 2 or circuit

Dec 28, 2010 | 1994 Honda Accord

4 Answers

2008 Ford F250 6.4 turbo diesel, have 3 DTC codes

P0087- low pressure fuel system. Fuel pressur valve stock open, Fuel volume control valve stuck close, Leaking fuel injector,P0088- fuel pressure contorl valve stuck close, Fuel rail pressure sensor P2291-all @ at the above, means to say poor fuel quality

Jun 21, 2010 | 2008 Ford F 250 Super Duty 4WD

2 Answers

Dodge durango PO320 + PO700 + PO725


With the ignition ON.

No signal from the Crankshaft Position Sensor is present during engine cranking, and at least 3 Camshaft Position Sensor signals have occurred.


Ignition key ON, Continuously.

Any DTC sets in the Transmission Control Module.


Jun 04, 2009 | 1997 Dodge Caravan

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