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P0193CriticalFuel & Air Metering

P0193 on 2018-2020 Ford F-150 — Fuel Rail Pressure Sensor "A" Circuit High

1 vehicles · 1 makes · $50-$15,000 repair

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Most Reported On

2018-2020Ford F-150

P0193 is an OBD-II diagnostic trouble code meaning “Fuel Rail Pressure Sensor "A" Circuit High.” The PCM detects a fuel rail pressure sensor 'A' circuit signal above the normal range (too high), typically caused by a short to voltage, open ground, or failed sensor. This code is most commonly reported on 2018-2020 Ford F-150, with repair costs ranging from $50 to $15,000.

On This Page

  • Common Causes
  • Repair Cost
  • Vehicles (1)
  • Related Codes
  • FAQ
  • Sources (3)
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Common Causes

1Short to voltage in signal wire
2Open ground circuit
3Faulty fuel rail pressure sensor
4Corroded connector terminals
5Wiring damage

Typical Repair Cost

$50 - $15,000

Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.

Diagnostic Tools

To diagnose P0193, you'll need an OBD-II scanner. Here are our recommendations at every price point.

Budget Pick$10–$20

ANCEL AD310 Classic OBD-II Scanner

by ANCEL

A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).

  • Read & clear engine codes
  • View freeze frame data
  • I/M readiness status
  • No batteries or app needed
Check Price on Amazon
Best Value$90–$120

BlueDriver Pro Bluetooth Scanner

by BlueDriver

Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.

  • Enhanced diagnostics (ABS, SRS, transmission)
  • Repair Reports with verified fixes
  • Smog check readiness
  • Free app (iOS & Android)
Check Price on Amazon
Advanced$180–$230

LAUNCH CRP123X OBD-II Scanner

by LAUNCH

A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.

  • Engine, transmission, ABS, SRS diagnostics
  • Live data stream & graphing
  • AutoVIN for vehicle identification
  • Free lifetime updates via Wi-Fi
Check Price on Amazon
Professional$350–$450

Autel MaxiCOM MK808S Diagnostic Tool

by Autel

Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.

  • All-system diagnostics (25+ modules)
  • Bi-directional control & active tests
  • Oil reset, EPB, BMS, TPMS, injector coding
  • 7-inch touchscreen with Android OS
Check Price on Amazon

As an Amazon Associate, we earn from qualifying purchases. Prices are approximate and may vary.

Vehicles Affected (1)

Ford P0193 page →
F-150Critical

3.0L Power Stroke Diesel CP4.2 High-Pressure Fuel Pump Catastrophic Failure (Fuel System Contamination)

2018-2020$50-$15,0000 reports

Related Codes (8)

P0190Fuel Rail Pressure Sensor Circuit MalfunctionP0191Fuel Rail Pressure Sensor Circuit Range/PerformanceP0192Fuel Rail Pressure Sensor Circuit Low InputP0194Fuel Rail Pressure Sensor "A" Circuit IntermittentP0001Fuel Volume Regulator Control Circuit/OpenP0002Fuel Volume Regulator Control Circuit Range/PerformanceP0003Fuel Volume Regulator Control Circuit LowP0004Fuel Volume Regulator Control Circuit High

FAQ

What does P0193 mean?

P0193 stands for "Fuel Rail Pressure Sensor "A" Circuit High." The PCM detects a fuel rail pressure sensor 'A' circuit signal above the normal range (too high), typically caused by a short to voltage, open ground, or failed sensor.

What are the most common causes of P0193?

The most common causes of P0193 are: Short to voltage in signal wire, Open ground circuit, Faulty fuel rail pressure sensor, Corroded connector terminals, Wiring damage. The specific cause varies by vehicle.

How much does it cost to fix P0193?

Repair costs for P0193 range from $50 to $15,000, depending on the vehicle and root cause.

Which vehicles are affected by P0193?

Au7o has documented P0193 across 1 vehicle models from 1 manufacturers: Ford.

Sources (3)

  • ForumCP4 failure at 48k. Anyone have a similar experience? - Diesel F150 Forum
  • articleCommon 3.0L Powerstroke Problems: Reliability & Repair Guide - SPEtuner
  • articleCP4 Injection Pump Failure Information - Diesel Hub
Get notified about P0193 fixes
We add new causes, fixes and affected vehicles for P0193 regularly — drop your email and we'll keep you posted. You can also diagnose your own car free.

Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.

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