What is your question?
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What is your question?
I have replaced spark plugs coils massive airflow meter is still running bad it idle is fine until you put it in drive or Park then it sounds real rough again.
What makes this problem better or worse?
It gets worse whenever you take it from Park to drive
How long has your 2000 Toyota Sienna had this problem?
3 weeks
1 Reply
Hi, this is Bo, an auto expert on RepairPal's Car Genius team! A misfire on cylinder 5, huh? It's like your engine's trying to play a symphony with one instrument out of tune. Since you've already replaced the spark plugs, coils, and mass airflow sensor, let's look at a few other suspects. Check the fuel injector for cylinder 5; it might be clogged or faulty, causing an uneven fuel supply. It's like trying to run a marathon with one shoe untied. Also, inspect the wiring and connectors for any signs of damage or corrosion. A compression test might be a good idea, too, to rule out any mechanical issues like a worn valve or piston ring. If you need any further advice or want help finding a trusted RepairPal shop in your area, please feel free to call us at 877-913-1554.