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 MANUALSVOLVO2004V70 L5-2.5L TURBO VIN 59 B5254T2REPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSECM CODES (ENGINE CONTROL MODULE)ECM-262ALOWER LIMIT
2004 Volvo V70 L5-2.5L Turbo VIN 59 B5254T2
Lower Limit
2004 Volvo V70 L5-2.5L Turbo VIN 59 B5254T2SECTION Lower Limit
Lower limit
Checking fuel injection system
Check the induction system for air leaks. Air leakage in the intake system, checking, B5244T5, B5254T2 Air Leaks in the Intake System, Checking
Hint: Air leakage in the intake system can occur through the canister purge (CP) valve, the secondary air solenoid valve and power brake booster.
Check the exhaust system for air leakage. Checking for air leakage in the exhaust system Air Leakage Exhaust System, Check
Check the fuel pressure and residual pressure. Fuel system pressure, checking, B5244T5, B5254T2 Fuel System Pressure, Checking
Check that the oil level is between the minimum and maximum markings
Check engine dilution by, reading off the short-term fuel trim with the engine running, plug the crankcase ventilation and read off the short-term fuel trim again, the value should be more or less unchanged
Remedy as necessary.
Continue - Checking mass air flow (MAF) sensor
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Checking mass air flow (MAF) sensor
Read off the mass air flow (MAF) sensor correction factor. The value must be between 2 and 12.
Note! There must not be any air leakage when this test is carried out.
Remedy as necessary.
Other information
- Mass air flow (MAF) sensor, replacing Service and Repair
Continue - Verification
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Verification
Verification
Test drive the car according to the TRIP schedule, see Verifying repairs Verifying Repairs.
Do not turn off engine after test drive.
Connect the car to VIDA again.
Read off fuel trim status.
There should not be any faults when fuel trim is finished.
Was a fault detected?
Yes - VERIFICATION FAILED
No - VERIFIED
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VERIFICATION FAILED - Fault-tracing information
VERIFIED - Fault Found
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Fault-tracing information
Information
Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.
Do you want to exit fault-tracing?
Yes - FAULT-TRACING FAILED
No - Attempt New Test
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FAULT-TRACING FAILED - FAULT-TRACING FAILED
Attempt New Test - Checking fuel injection system
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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.