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 MANUALSTOYOTA1999CAMRY XLE, 2.2 GREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM SELF-DIAGNOSTICS - 4-CYLINDERDIAGNOSTIC TESTSDTC P0402: EXCESSIVE EXHAUST GAS RECIRCULATION (EGR) FLOW DETECTEDTEST DRIVE CONFIRMATION
1999 Toyota Camry XLE, 2.2 G
Test Drive Confirmation
1999 Toyota Camry XLE, 2.2 GSECTION Test Drive Confirmation
- Connect scan tool to Data Link Connector (DLC) No. 3. See Figure. Start and warm engine to normal operating temperature with all accessories off. Operate vehicle at 38-50 MPH for 3 minutes or more. Stop vehicle and allow to idle for about 2 minutes.
- Operate vehicle at 38-50 MPH for 3 minutes or more. Stop vehicle and allow to idle for about 2 minutes. Turn ignition off. Start engine. Operate vehicle at 38-50 MPH for 3 minutes or more. Stop vehicle and allow to idle for about 2 minutes. Operate vehicle at 38-50 MPH for 3 minutes or more. Stop vehicle and allow to idle for about 2 minutes.
- Using scan tool, check READINESS TESTS. If COMPL is displayed on scan tool and MIL is not illuminated, system is normal. If INCMPL is displayed and MIL is not illuminated, repeat test drive procedure.
NOTE:
INCMPL is displayed when system check is incomplete or a malfunction exists in system. If a malfunction exists, MIL will illuminate after step 2)
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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.