02 camaro tb sticking
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From: southern california
02 camaro tb sticking im driving home today from work and i get on the throttle a bit ( not quite wot ) and it sticks on me ( seems like wot as the rpms went way up after putting it into neutral (m6) so i shut it off really quick. went to start it again and sure enough its still stuck. so i turn it off again and check under the hood and move the throttle cable manually. after i start it again and make it home ok. when i got home i pulled the throttle cable from the tb and operated the tb manually and it wouldnt stick, also the cable didnt seem to be getting caught on anything as i moved it in and out the cable loom. its a stock tb and almost stock tune with just timing added. i cant figure out why it would do this. im more familiar with the dbw but figured there could be less culprits for this on a dbc. any ideas ?
Originally Posted by 2004SSS
im driving home today from work and i get on the throttle a bit ( not quite wot ) and it sticks on me ( seems like wot as the rpms went way up after putting it into neutral (m6) so i shut it off really quick. went to start it again and sure enough its still stuck. so i turn it off again and check under the hood and move the throttle cable manually. after i start it again and make it home ok. when i got home i pulled the throttle cable from the tb and operated the tb manually and it wouldnt stick, also the cable didnt seem to be getting caught on anything as i moved it in and out the cable loom. its a stock tb and almost stock tune with just timing added. i cant figure out why it would do this. im more familiar with the dbw but figured there could be less culprits for this on a dbc. any ideas ?
If the TPS were faulty (and not the butterfly staying open) it would still take air to make the motor turn up.
It's a pretty simple set-up .. a cable, spring and 2 small bearings. Nothing else moves. If you can't feel cable bind then it's most likely "trash" preventing your butterfly to fully close (the engine has probably already ingested the evidence
) I think what he's meaning is the TPS having a "hangup" in it, not turning smoothly. When I see TPS starting to go bad to the point of that its just comin apart on the inside and when you take it off the guts just come out of the sensor.
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Thread Starter
TECH Addict
iTrader: (25)
Joined: Dec 2004
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From: southern california
well i looked in the tb blade and it is pretty clean. and it does this once in a while when i rev it in neutral or go wot. which is the tps sensor and is it common for going bad? the car only has 30k on it.
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Verdad Gallardo it's the sensor that's opposite the throttle cam. It reads throttle position off of the shaft (the end of the butterfly shaft is actually encased by the TPS). Just 2 screws/small bolts as I recall.