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P0507AcuraAcura PlatformMedium Severity

P0507 on Acura: Symptoms, Causes & DIY Fix

Official technical diagnostic wire for fault code P0507 (Idle Control System RPM Higher Than Expected - Diagnosis) specifically affecting Acura vehicles (MDX, RDX, TLX, Integra, ZDX).

DIY Parts Estimate
$40 - $250 (DIY Throttle Relearn: $0)
Acura OEM Direct Fit
Shop Labor Quote
$180 – $380
Based on $130/hr labor
Drivability Status
Drivable (Short Trip)
Medium urgency level
Est. DIY Time
45 – 90 Min
Basic hand tools
Check P0507 On Another Make:
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1. Symptoms of P0507 on Acura

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

Engine idles at 1,000+ RPM in park/neutral on Acura (MDX, RDX)
RPM surges or hunts at red lights on Acura (MDX, RDX)
Check Engine Light illuminated on Acura (MDX, RDX)

2. Most Likely Causes on Acura

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

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

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

01
Check for Unmetered Vacuum Leaks

Spray brake cleaner around intake manifold gaskets; an RPM change reveals the leak location. on Acura vehicles (MDX, RDX).

02
Clean Throttle Body & Carbon Deposits

Gently clean carbon soot around throttle blade using throttle cleaner and microfiber towel. on Acura vehicles (MDX, RDX).

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 Acura vehicles (MDX, RDX).

4. Acura P0507 FAQs

What causes code P0507 to trigger on a Acura?

On Acura 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 Acura with code P0507?

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

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

DIY replacement parts typically range between $40 - $250 (DIY Throttle Relearn: $0). If serviced at an authorized Acura dealership, expect an additional $120–$250 in professional labor based on their $130/hr hourly rate.