At school they told us heat shields are necessary because they keep the heat in the cats to help them reach operating temp faster, I know if it takes too long for them to get to temp they can throw a code, but that probably doesn't happen often unless the cat is on its way out anyway. Haven't spoken to a pro about it, though.
-Greg
"I smashed up the grey one, bought me a red;
Every time we hit the parking lot we turn heads!"
-Pimp C, "International Players Anthem"
i removed mine long time ago
I believe the heat shield's job is to act like a thermal jacket, insulating the exhaust manifold and thereby keeping the exhaust gases hot. Hotter exhaust gases are less dense and thus the engine can purge them faster, meaning more +hp. That's just my understanding though.
EDIT: If it's being annoying as s***, just remove the shield and add exhaust wrap. (That's what I would do anyway)
"Speed never killed anyone. Suddenly becoming stationary...that's what gets you." - Jeremy Clarkson
1997 Galant ES with '94-95 style front end and '97 style rear
parts should all be the same, i do know the DOHC was slightly different and not familiar with it, if u have CAPS u can cross reference the TPS on both
"Speed never killed anyone. Suddenly becoming stationary...that's what gets you." - Jeremy Clarkson
1997 Galant ES with '94-95 style front end and '97 style rear
i have a question! ^__^ where is the ECU located in a 96? i ask cuz my idle goes up and down (never turned off though) and i changed the whole throttle body (i had code 505) so im thinking maybe it's the ecu, so ima try replacing it,
To fix the heat shield rattle just get a large metal clamp and tighten it up.
ECU on 94-98 is located in space below radio. It is a pain to access. Best bet is to go in from the passenger side. I'd do some more checking around to be sure it is the ECU before just swaping it out.
jjj
98 ES (5 spd), 94 GS (5 spd), 94 ES (rebuilt auto), 92 Toyota 4X4, 81 KZ550 A2, 67 Mercedes 250S, 58 Mercedes 190SL
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