Excessive Fuel Consumption: Aerio
WARNING: This page is about a different car, the 2002 Suzuki XL-7, 2002 Suzuki Vitara, 2002 Suzuki Grand Vitara, 2002 Suzuki Esteem, and 2002 Suzuki Aerio. However, it is still accessible from the selected car via links, so may be relevant.
- Faulty spark plugs. See IGNITION CHECKS in BASIC DIAGNOSTIC PROCEDURES article.
- Improper ignition timing. Check ignition timing. See IGNITION TIMING in ON-VEHICLE ADJUSTMENTS article.
- Faulty ECT sensor. See ECT sensor related DTCs in appropriate SELF DIAGNOSTICS article.
- Faulty MAF sensor. See MAF sensor related DTCs in appropriate SELF DIAGNOSTICS article.
- EGR system malfunction. See EGR valve related DTCs in appropriate SELF DIAGNOSTICS article.
- Faulty TP sensor adjustment. See THROTTLE POSITION SENSOR in ON-VEHICLE ADJUSTMENTS article.
- Faulty fuel injector(s). See B-1: FUEL INJECTOR CIRCUIT INSPECTION under CIRCUIT TESTS in BASIC DIAGNOSTIC PROCEDURES article.
- Fuel pressure out of specification. See FUEL PRESSURE under FUEL SYSTEM in SYSTEM & COMPONENT TESTING article.
- Check for low engine compression. See MECHANICAL INSPECTION in BASIC DIAGNOSTIC PROCEDURES article.
- Check brake system for dragging brake. See appropriate DISC & DRUM article in BRAKES.
- Check for slipping clutch. See appropriate FWD or RWD article in CLUTCHES.