Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA2011CR-V EX, 2.4 RE3, MZJAREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMINTAKE AIR SYSTEMTHROTTLE BODY TESTCARBON ACCUMULATION CHECK
2011 Honda CR-V EX, 2.4 RE3, MZJA
Carbon Accumulation Check
2011 Honda CR-V EX, 2.4 RE3, MZJASECTION Carbon Accumulation Check
NOTE:
If the malfunction indicator lamp (MIL) has been reported on, check for diagnostic trouble codes (DTCs).
- Connect the HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard.
- Turn the ignition switch to ON (II).
- Make sure the HDS communicates with the PCM. If it doesn't, go to the DLC circuit troubleshooting (see DLC CIRCUIT TROUBLESHOOTING ).
- Start the engine. Hold the engine speed at 3, 000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.
- Check the REL TP SENSOR in the DATA LIST with the HDS. The reading should be below 2.46 deg. If it is not, clean the throttle body (see THROTTLE BODY CLEANING ).
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.