Cosworth TPS voltage
#1
PassionFord Post Whore!!
Thread Starter
Cosworth TPS voltage
Right....I have been told to check the voltage on my TPS at pin 11 and 17 on the ECU with ignition on and it should read 0.2v.
I have done that and its reading 4.8v when closed and 0.7 when fully open.
Baiscially.......Is it fooked? What should it read when at full throttle? Does voltage increase/decrease as throttle is opened?
If it is fooked, then where can i get one asap?
Thanks peoples!
I have done that and its reading 4.8v when closed and 0.7 when fully open.
Baiscially.......Is it fooked? What should it read when at full throttle? Does voltage increase/decrease as throttle is opened?
If it is fooked, then where can i get one asap?
Thanks peoples!
#4
15K+ Super Poster!!
It means the voltages are what they should be. But, without a scope, you can't say it's for certain, as there maybe a problem with transitions.
#5
PassionFord Post Whore!!
Thread Starter
Originally Posted by Rick
It means the voltages are what they should be. But, without a scope, you can't say it's for certain, as there maybe a problem with transitions.
Rather than tryin to explain what it means can you give me some advice as to what to do then please?
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#10
PassionFord Post Whore!!
Thread Starter
Originally Posted by Rick
BigErn
That depends what your trying to do. It's very unlikely that your TPS is at fault. What's the problem?
That depends what your trying to do. It's very unlikely that your TPS is at fault. What's the problem?
If you or any one can help Ill be your bestest buddy in the whole wide world. lol
#11
PassionFord Post Whore!!
Thread Starter
Originally Posted by DazC
If it's a 2wd car, that sound about right (as long as it's running a PF01 TPS and an L1 or L6 ECU).
#12
PassionFord Post Whore!!
Thread Starter
Originally Posted by BigErn
Originally Posted by Rick
BigErn
That depends what your trying to do. It's very unlikely that your TPS is at fault. What's the problem?
That depends what your trying to do. It's very unlikely that your TPS is at fault. What's the problem?
If you or any one can help Ill be your bestest buddy in the whole wide world. lol
https://passionford.com/forum/viewtopic.php?t=240182
#14
Too many posts.. I need a life!!
The important thing is the resistance reading throughout the range of the TPS. The resistance should change in a nice linear maner as the throttle is opened. Any blips, non-linear readings are faults and will upset the ECU.
#15
PassionFord Post Troll
iTrader: (8)
Remember bigern i have a spare throttle body with tps already fitted and i know it works fine all you need to fit to it is the iscv and i still have that standard chip and injectors etc if you wanted to go back to basics and fault find from there, as it could be your chip or map sensor playing up and all this set up works perfectly still cheeRS.
#17
15K+ Super Poster!!
I'm no expert in the faults that marelli suffers from commonly. By all means try another TPS, as it could have problems that show only when the throttle is changing. Is your CPS aligned ok? Tried another MAP sensor?
#18
PassionFord Post Whore!!
Thread Starter
Originally Posted by Rick
I'm no expert in the faults that marelli suffers from commonly. By all means try another TPS, as it could have problems that show only when the throttle is changing. Is your CPS aligned ok? Tried another MAP sensor?
#19
15K+ Super Poster!!
unfortuneltly, this is the usual way of doing things. If u have a mate close, then u can swap stuff. CPS is crank position sesnor, they do fail/get much in em etc.
#21
PassionFord Post Troll
iTrader: (8)
BigErn i can post the bits up to you so you can put it back to standard and try them but i do want them all back i also have a spare old but working order blue water sensor the brown act sensor and a cps and the throttle body so its up to you its all there and will elliminate everything cheeRS paul.
#22
PassionFord Post Whore!!
Thread Starter
Originally Posted by coswurv
BigErn i can post the bits up to you so you can put it back to standard and try them but i do want them all back i also have a spare old but working order blue water sensor the brown act sensor and a cps and the throttle body so its up to you its all there and will elliminate everything cheeRS Paul.
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