Question about 1998 Toyota Avalon
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Posted on Jan 02, 2017
Try cleaning the throttle body.Check the air-gap for the pick-up coil inside the distributor assembly(use a brass feeler gauge)
Check valve clearances if needed(possible tight intake valve adj.)
Check base timing(follow instr. via under hood label)
Hope this helps.
Posted on Mar 17, 2009
dont look for air when the car cuts out its most likley spark or fuel when it cuts out ranomly its usually a sensor or relay that is faulty check fuel pump relay and camshaft or crankshaft sensors but first narrow it down to spark or fuel if possible also if check engine lite is on check codes
Posted on Mar 26, 2009
No, disconnecting the sensor and seeing no change would be a indication the maf was bad. Your computer takes information from your mass air flow sensor (maf), o2 sensor, cam position, and knock sensor to regulate the correct mixture. I would suspect a bad o2 sensor upstream. Try taking off the o2 sensor and seeing if there is black carbon on the base of the o2 sensor. If it has black carbon on the base it could be a bad o2 sensor. This problem could also be easily solved by hooking up a mechanics diagnostic computer to pin point the problem. Sometimes, you can clean the mass air flow with a special cleaner to help it generate a more accurate reading.
Posted on Apr 20, 2010
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P0174 - Fuel Injection System Too Lean Bank 2 Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Excessive Fuel Consumption Possible causes - Intake air leaks
- Front Heated oxygen sensor may be faulty
- Injectors may be faulty
- Exhaust gas leaks
- Incorrect fuel pressure
- Lack of fuel
- Mass air flow sensor may be faulty
- Incorrect PCV hose connection Possible solution Dirty air filter of faulty air flow sensor are common causes of the problem. Bottom line possible defective Mass airflow sensor and or O2 sensor in cylinder bank number two.
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