just as title says:
had code 21-tps, code 13-o2 senor, code 43-electronic spark control!
dont really know bout much the spark control beside what was talked about in the manual!

got the stuff to try an clean the tps
has anyone had these codes all at the same time? car runs sluggish and has a rich smell to it!
o2 sensor is only 20 bucks
tps 50 bucks

dont really want to spend the money and find out it is something else!

thanks for the help in advanced

 

i guess it might help to give a little info on car!
1987 IROC-Z 350tpi stock!
any advice would be helpful!

 

First step: clear the codes (by disconnecting the negative battery terminal). Before starting it again, check the codes again to make sure they were cleared successfully. Then drive the car and check the codes again, and see if all three come back.

From this point forward, a voltmeter and some factory service information (factory service manual, AllDataDIY or Mitchell) wil help tremendously. You can check basic TPS sensor operation pretty easily by just backprobing the connectors if you know what wires to check and what voltages you are looking for. I have a manual for a 1985 Firebird, and for the TPS for instance, it says you should have 0.5V at closed throttle on the center wire, and it should move smoothly up to 4.5V at wide open throttle. Terminal A on the connector is ground, B (the center one that varies) is the signal wire, and C is the 5V reference. Your 1987 model may be different, but I doubt it.

I recommend getting some service information specific to your car and checking things before you start replacing parts.

 

ok thanks i will c what i come up with!

 

ok well i changed oil on the camaro last nite and layin there i just happened to look up and see that the plugs are rusted and dont look like the have been changed in a quite a few years! any advice as to changing them without stripping them? i am pissed off bout that as the kid that i got it from said they changed them!
changing them should help with the slugish problem! i hope!

i also happened to look around on the passenger side of car as it has an exhust leak and i noticed a wire just hanging there! the clip end was all melted! i found the sensor that it goes to but the clip on that end is broke to! now i am not sure what sensor what to order!
it is located on the right side of the engine just under the exhust manifold if anyone know what that sensor is?

thanks in advanced!