motor boggs down going up hills. can cleaning the throtle body help?

15

Asked by Jun 05, 2017 at 06:50 AM about the 2004 Ford F-150 XLT Ext. Cab

Question type: Maintenance & Repair

11 Answers

73,155

Cleaning the throttle body, and the Mass Air Flow Sensor and screen in the air tube along with checking the air filter all could help. Use the appropriate MAF spray cleaner. Run some fuel injection cleaner threw the gas. One other thing to check would be the catalytic converter to see if it is getting plugged up.

Best Answer Mark helpful
73,155

Spark plugs also should be checked.

15

I can clean the throttle body and MAF. How do I check the catalytic converter?

15

I am putting new spark plugs in, boots and springs as well.

73,155

On the cat, you can take the vehicle for a ride, get it warmed up to operating temperature, then find a darker area to park while the engine is running and look at the cat to see if it has a orange glow to it. If it does then it is getting plugged up.

73,155

Is there a check engine light on? If so have the vehicle scanned for trouble codes.

15

Thanks. I will try these to see if it helps. I think I am going to end up changing the cats.But I will start with the things I can do myself.

15

Should I try some catalytic converter cleaner?

73,155

Catalytic converts can not be cleaned. They just go bad and need to be replaced.

15

Thanks

73,155

Your welcome, the cats are just something to check. Take care of the other things, you can check on the cats if their glowing or not at anytime.

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