P1044 Fiat Code - Implausible Data From Cylinder 4 Oil Supply Solenoid Valve Received
Quick Answer
Multi-Air is an electronically controlled variable intake valve phase and lift system. Common causes include Faulty Variable Valve Actuator (VVA) Solenoid, Variable Valve Actuator Solenoid harness is open or shorted, Variable Valve Actuator Solenoid circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1044 Fiat indicates Implausible Data From Cylinder 4 Oil Supply Solenoid Valve Received.
- Common causes
- Common causes include Faulty Variable Valve Actuator (VVA) Solenoid, Variable Valve Actuator Solenoid harness is open or shorted, Variable Valve Actuator Solenoid circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1044 Fiat Description
The Multi-Air valve train has a mechanical camshaft lobe acting on a hydraulic pump located between the camshaft intake lobe and the intake valve. The pump provides oil under pressure to a two-way electro-hydraulic solenoid valve called the Variable Valve Actuator (VVA) Solenoid. The VVA Solenoid is electronically controlled during the specific intake cam lobe event by the Powertrain Control Module (PCM). During the event, the VVA Solenoid is commanded to either hold oil pressure or bleed oil. The Variable Valve Actuator (VVA) Solenoid is a normally open solenoid. The PCM provides 12 volts to close the solenoid. The position of the VVA Solenoid determines the intake valve timing and lift. This change on valve action is similar to creating a change in the camshaft lobe profile affecting the lift and duration of the valve opening. The Diagnostic Trouble Code (DTC) will be set when the PCM detects that the VVA Solenoid feedback current level is implausible.
What are the Possible Causes of the DTC P1044 Fiat?
- Faulty Variable Valve Actuator (VVA) Solenoid
- Variable Valve Actuator Solenoid harness is open or shorted
- Variable Valve Actuator Solenoid circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC P1044 Fiat?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1044 Fiat code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1044 Fiat Code
1. What are the common symptoms of OBDII code P1044 in a Fiat?
- Common symptoms include rough engine performance, reduced power, and illuminated Check Engine Light.
2. What causes the OBDII code P1044 in a Fiat?
- The code is typically triggered by a malfunction in the Cylinder 4 oil supply solenoid valve or related wiring issues.
3. How serious is the OBDII code P1044 in a Fiat?
- While the vehicle may still be driveable, it is important to address this issue promptly to prevent potential engine damage.
4. Can I still drive my Fiat with the P1044 code present?
- It is recommended to avoid driving the vehicle extensively with this code active to prevent further damage to the engine.
5. How can I diagnose the OBDII code P1044 in my Fiat?
- Proper diagnosis involves using a diagnostic scanner to read the code, checking the oil supply solenoid valve, and inspecting the wiring for any issues.
6. Is it possible to repair the OBDII code P1044 in a Fiat myself?
- While some DIY enthusiasts may attempt the repair, it is generally recommended to have a qualified mechanic address this issue due to its complexity.
7. What are the repair options for fixing the OBDII code P1044 in a Fiat?
- Repairs may involve replacing the faulty Cylinder 4 oil supply solenoid valve, repairing any damaged wiring, or addressing any related engine issues.
8. How much does it typically cost to repair the OBDII code P1044 in a Fiat?
- The cost of repair can vary depending on the extent of the issue, but it may range from a couple hundred to a few hundred dollars.
9. Can resetting the OBDII code P1044 in a Fiat make it go away permanently?
- Resetting the code without addressing the underlying issue will not permanently resolve the problem; the code is likely to reappear until the root cause is fixed.
10. What happens if I ignore the OBDII code P1044 in my Fiat?
- Ignoring this code can lead to engine performance issues, potential damage, and may eventually result in more costly repairs if left unattended.
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