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P0507ToyotaToyota PlatformMedium Severity

P0507 on Toyota: Symptoms, Causes & DIY Fix

Official technical diagnostic wire for fault code P0507 (Idle Control System RPM Higher Than Expected - Diagnosis) specifically affecting Toyota vehicles (Camry, Camry Hybrid, Camry TRD, Corolla, RAV4, Tacoma, Highlander, Tundra, Prius, Grand Highlander, 4Runner, Crown, Land Cruiser).

DIY Parts Estimate
$40 - $250 (DIY Throttle Relearn: $0)
Toyota OEM Direct Fit
Shop Labor Quote
$180 – $380
Based on $110/hr labor
Drivability Status
Drivable (Short Trip)
Medium urgency level
Est. DIY Time
45 – 90 Min
Basic hand tools
Check P0507 On Another Make:
ToyotaBMWMercedes-BenzLexusFordHyundaiCadillacTeslaChevroletHonda

1. Symptoms of P0507 on Toyota

When the Engine Control Module (ECM/PCM) on your Toyota logs fault code P0507, drivers commonly observe:

Engine idles at 1,000+ RPM in park/neutral on Toyota (Camry, Camry Hybrid)
RPM surges or hunts at red lights on Toyota (Camry, Camry Hybrid)
Check Engine Light illuminated on Toyota (Camry, Camry Hybrid)

2. Most Likely Causes on Toyota

Historical warranty claims and technical repair bulletins for Toyota point to the following failure distribution:

55%
Intake manifold vacuum leak (Toyota OEM Part)
25%
Carbon buildup causing sticky electronic throttle body (Toyota OEM Part)
12%
Uncalibrated idle air volume after battery disconnect (Toyota OEM Part)
8%
Faulty PCV valve stuck open (Toyota OEM Part)

3. Step-by-Step DIY Repair Guide for Toyota

01
Check for Unmetered Vacuum Leaks

Spray brake cleaner around intake manifold gaskets; an RPM change reveals the leak location. on Toyota vehicles (Camry, Camry Hybrid).

02
Clean Throttle Body & Carbon Deposits

Gently clean carbon soot around throttle blade using throttle cleaner and microfiber towel. on Toyota vehicles (Camry, Camry Hybrid).

03
Perform Idle Air Volume Relearn Procedure

Follow vehicle-specific ignition key on/off timing sequence or use OBD scanner to reset baseline idle. on Toyota vehicles (Camry, Camry Hybrid).

4. Toyota P0507 FAQs

What causes code P0507 to trigger on a Toyota?

On Toyota vehicles, P0507 is most frequently caused by Intake manifold vacuum leak or Carbon buildup causing sticky electronic throttle body. Factory sensor degradation or wiring harness wear near the engine bay are common factors.

Can I safely drive my Toyota with code P0507?

Driveable, but braking distance may increase slightly due to high engine idle. Given that P0507 carries a Medium severity rating on Toyota vehicles, we advise performing diagnostic scanning via the OBD-II port before extended driving.

How much does it cost to fix P0507 on a Toyota?

DIY replacement parts typically range between $40 - $250 (DIY Throttle Relearn: $0). If serviced at an authorized Toyota dealership, expect an additional $120–$250 in professional labor based on their $110/hr hourly rate.