Question about 2001 Pontiac Grand Prix

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I have a 01 grand prix with a 3.1 and its bogging!

I have a 01 grand prix with a 3.1 and a few days ago I replaced the coolant temp sensor and then it started running hot and then started bogging. So today I changed the plugs and the wires and it still does the same thing. I was told that it might be the o2 sensor or the fuel filter but I want more advise. Any ideas?

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Did you get all the air out of the coolant system?

Why would you change the plugs and wires?

Better yet, don't believe what your told,unless it comes from a professional,who just diagnosed your issues,correctly.

Please tell me why a fuel filter,would cause an overheating issue. Even after 45 years ,I 'am still willing to learn .

What was the original complaint?

Posted on May 10, 2010

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My check engine light is on, and today my temperature gauge stopped working and we have replaced the engine coolant sensor and the connector and temperature gauge still not working. PLEASE HELP


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Where is the coolant temp sensor on 92 grand prix LE


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Replaced thermostat and MAF sensor but temp still all over the place and car shakes in idol


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I'm sure someone out there will argue about my method, but I disconnect lower hose and block off the radiator lower connection, then do the same at the top. I use one container of CLR and pour directly into radiator (if you don't have a fill cap, use upper hose opening instead of blocking it) slowly pour in water 'till it's full. Leave for an hour then drain, use a garden hose to blow water through from top, out through bottom till it runs clear Seal off outside of hose to get pressure into radiator, wrap rag around it), then re-connect hoses, re-fill with coolant. (engine running heat full on).Generally this will give you most if not all flow restored.

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