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 MANUALSMAZDA2008CX-7 TOURING, 2.3 3, AWDREPAIR AND DIAGNOSISENGINE PERFORMANCEFUEL DELIVERYFUEL SYSTEMFUEL INJECTOR INSPECTION[L3 WITH TC]RESISTANCE INSPECTION
2008 Mazda CX-7 Touring, 2.3 3, AWD
Resistance Inspection
2008 Mazda CX-7 Touring, 2.3 3, AWDSECTION Resistance Inspection
NOTE:
- Perform the following procedure only when directed.
- Turn the ignition switch to the LOCK position.
- Disconnect the negative battery cable.
- Remove the fuel delivery pipe. (See FUEL INJECTOR REMOVAL/INSTALLATION[L3 WITH TC] .)
- Disconnect the fuel injector connectors.
- Measure the resistance of the fuel injector using a tester.
- If not as specified, replace the fuel injector. (See FUEL INJECTOR REMOVAL/INSTALLATION[L3 WITH TC] .)
- If as specified but "Operation Test" is failed, carry out the "Circuit Open/Short Inspection". Inspect for open or short circuit.
Fuel injector resistance
1.0-1.2 ohms [20 °C {68 °F}]
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.