engine light bilinking while idle

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code 420 first, then codes 300, 302, 304, 306. changed spark plugs and wires. checked for vacuum leaks with carb cleaner, no increase in idle. checked and cleaned the MAF, 2.1 ohms and good voltage coming in engine idles poorly decent acceleration unless the vehicle is floored, then it boggs down

cpompei in Beverly MA

May 14, 2010

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RepairPal Certified shops can diagnose and repair your 1999 Toyota Avalon. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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engine light bilinking while idle

What is your question?

cpompei in Beverly MA

May 14, 2010

2 Replies

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patrick mannionon May 14, 2010

P0420 is a low catalytic converter efficiency code, a flashing check engine light means don't drive the car the cat is being damaged. P0300 is a mis fire code the other codes are misfire relate on all front cylinders. Be careful cleaning the airflow meter most chemicals will damage it. CRC make a product CRC product # 05110 that is designed to clean air flow meters.

sinautoscan.comon May 14, 2010

check the injectors?

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Popular Answer

What are the best Toyota repair shops?

RepairPal Certified shops can diagnose and repair your 1999 Toyota Avalon. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.