07-21-2020, 09:43 PM | #1 |
Russ
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TPS/ reduced power light.
Ever since I got my car out of winter storage I have been getting the TPS code and that the power is reduced. I keep and OBD scanner in the car so I am able to clear the code. I went a couple of weeks without getting the reduced power notice on the DIC but the past 2 times I've driven the car it's happened both times.
Before the reduced power light comes on I don't notice anything different with the car and as soon as I clear the code the car operates normally. Anyone else have this problem? If so did you replace the TPS or the whole throttle body assembly? The problem is no matter which one I buy I can't return even if that's not the problem with the car. The OEM throttle body assembly is like $400 so I would hate to buy one and find out that it's not the problem. |
07-22-2020, 08:59 AM | #2 |
Drives: 2011 Camaro 2SS LS3 Whipple Join Date: May 2019
Location: Connecticut
Posts: 1,925
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Throttle body is known to cause these problems. If I were you I'd probably upgrade and get a ported throttle body and be done with it.
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Whipple 2.9 CAI ID1050x injectors ZL1 Pump JRE FPCM JMS Voltage booster JRE Rough Idle blower cam BTR .660 springs CHE trunnion kit 1 7/8 Speed Engineering Borla Atak JRE scoop 1.5" lowering springs BMR trailing arms and toe links Cradle inserts 704WHP 603WTQ 93 octane
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07-22-2020, 10:02 AM | #3 |
Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,019
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I think AC Delco TBs off eBay are like $200
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07-22-2020, 04:17 PM | #4 |
Russ
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Thanks for the responses. Is it worth upgrading to the larger 102MM TB? Any idea how much more HP that will get me? I did find out that if I change the TB to anything other than the OEM unit that my computer will have to be tuned to accept it. I don't want to go through all of that for a 5HP boost or something small like that.
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07-22-2020, 04:36 PM | #5 | |
SomeguyK
Drives: 2010 Black 2SS/RS Join Date: Nov 2014
Location: FL
Posts: 1,947
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Quote:
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TMS 427, Dart iron Block, Forged assembly, Frankenstien heads, AGP TT 62/62 BB turbo's, AGP/Fore triple fuel system, Tilton clutch, Holley 1 7/8 shorties, Technostalgia tail lights,Oracle, Aeroforce, MGW shifter,Flowmaster, Pegasus subframe bushings,BMR trailing & toe arms,Z28 UCA bushings,Zl1 rear sway bar,Prothane,BMR,Goodridge brake lines,Ridetech HQ coilovers,3.91,Trutrac,billet caps,DSS axles,HE offest,built TR6060,1LE diffuser,Havoc spoiler,SSclones,20in MRR 017, Pirelli P Zero, Nitto NT555RII
More to come. |
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07-23-2020, 10:38 AM | #6 |
Drives: 2011 Camaro 2SS LS3 Whipple Join Date: May 2019
Location: Connecticut
Posts: 1,925
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No point in a 102MM unless you are boosted and pushing a lot of power
__________________
Whipple 2.9 CAI ID1050x injectors ZL1 Pump JRE FPCM JMS Voltage booster JRE Rough Idle blower cam BTR .660 springs CHE trunnion kit 1 7/8 Speed Engineering Borla Atak JRE scoop 1.5" lowering springs BMR trailing arms and toe links Cradle inserts 704WHP 603WTQ 93 octane
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07-23-2020, 10:51 AM | #7 |
Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,019
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I'm 10rwhp on ported 90 vs 102 on my heavily modded N/A build.
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