DIYAUTOFIXESMANUALS

Diagnostic Trouble Code Database

P0207Severe (Stop & Fix)

Injector Circuit/Open - Cylinder 7

System:Fuel and Air Metering (Injector Circuit)•Classification:Powertrain (OBD-II Generic)•Severity Impact:Drive cautiously; fuel delivery shortfall risks engine stumbling or rough idling.
Direct Technical Definition (Fast Answer)

Code P0207 indicates a diagnostic fault in the Fuel and Air Metering (Injector Circuit) (Injector Circuit/Open - Cylinder 7). Connect an OBD2 scanner to verify freeze frame data, then test circuit voltage and vacuum connections before replacing components.

Estimated Repair Time30 – 60 minutes
DIY Parts Cost$35 – $95
Shop Repair Quote$220 – $480
Average DIY SavingsSave $200+
The 80/20 Workshop Rule

Inspect the electrical harness and ground connection related to P0207. Clear the code with an OBD2 scanner; if it returns, perform a multimeter resistance check on the primary sensor.

Estimated DIY Cost
$35 – $95
Tools & DIY parts
Dealership Shop Quote
$220 – $480
Labor ($180/hr) + parts
Net Money Saved
Save $200+
In your driveway today

Symptoms Associated with P0207

Drivers typically observe the following symptoms when the ECM flags P0207:

Check Engine Light (MIL) illuminated on instrument cluster
Possible engine performance, hesitation, or emission monitor reset
Failed annual vehicle safety or emissions smog inspection

Common Root Causes & Statistical Probability Matrix

Statistical breakdown of what triggers this code based on automotive repair shop data.

Worn, contaminated, or defective Injector Circuit component
High ProbabilityDifficulty: Moderate
Relative Frequency: 75%Estimated Parts Cost: Low
Damaged, loose, or corroded wiring harness connector pins
Medium ProbabilityDifficulty: Easy
Relative Frequency: 45%Estimated Parts Cost: Low
Underlying vacuum leak, blown fuse, or poor chassis ground
Low ProbabilityDifficulty: Easy
Relative Frequency: 20%Estimated Parts Cost: Low

Step-by-Step Diagnostic & Repair Procedure

Follow this logical order to isolate and repair P0207 before spending money on costly parts.

Checklist Progress: 0 of 3 steps complete

Step 1: Scan and Record Freeze Frame Data

Connect an OBD2 scanner, record engine RPM, coolant temp, and secondary DTCs associated with P0207.

Step 2: Visual Inspection

Inspect wiring harnesses, pins, and vacuum lines related to the Fuel and Air Metering (Injector Circuit) for chafing, oil contamination, or burn marks.

Step 3: Multimeter / Component Verification

Measure 12V reference power, ground continuity, and signal voltage against factory service manual specifications for P0207.

Frequently Asked Questions About P0207

Severity is rated as Severe. Drive cautiously; fuel delivery shortfall risks engine stumbling or rough idling.