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cat/struts.....


LyndsiK
11-27-2006, 12:28 PM
i have a 97 gtp......just took it into the shop w/ lack of power, bad mileage etc and a "lean fuel" code.....they're telling me that it's the catalytic converter.....but couldnt it also be the O2 sensor???????? well they wanted $500 for the cat and i was talkin to some others and they said if i could figure out the measurements of the inlet and outlet then i could get a "generic" converter....i know thats not the best way to go but im poor! i certainly dont have $500 for that (just parts). so my question is, does anybody already know these measurements?

also, my rear struts are REALLY bad, any recommendations?

BNaylor
11-27-2006, 01:34 PM
How many miles are on your GTP?

That is a plausible explanation although it could be a bad 02 sensor (front) too. What you can do DIY is remove the 02 sensor and inspect it. You'll need a special 7/8" 02 sensor socket with wiring harness cutout...around $10.

Clean the sensor vanes with carb or throttle body spray cleaner. Reinstall and then see what it does. A bad CAT could cause a lean trim due to being clogged as will a bad EGR valve, vacuum leak, leaking fuel injector seals, etc. Nothing wrong with a generic aftermarket CAT, especially if it is a hp hi-flow. The CAT in/outlet should be around 2.25" stock.

If you have over 70K miles then new struts will help. I use KYB GR2s.

98gpking
11-27-2006, 06:08 PM
i have a 97 gtp......just took it into the shop w/ lack of power, bad mileage etc and a "lean fuel" code.....they're telling me that it's the catalytic converter.....but couldnt it also be the O2 sensor???????? well they wanted $500 for the cat and i was talkin to some others and they said if i could figure out the measurements of the inlet and outlet then i could get a "generic" converter....i know thats not the best way to go but im poor! i certainly dont have $500 for that (just parts). so my question is, does anybody already know these measurements?

also, my rear struts are REALLY bad, any recommendations?


hey i just got through with the EXACT same issue your going through. took it to a the shop and was told the EXACT same thing. but i did plugs, wires, fuel filter, and thermostat and havent gotten a code and the cars now getting 29 on the highway just an idea

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