With the key turned I get ~.4 volts on the TPS and at WOT I only ~3.8
The TPS is brand new. Should I be getting 4 volts difference (~4.4)?


When I put a fuel pressure gauge on my car, I was getting a very fast pulsating in the line and pressure was down just a little bit. Is the pulsating a sign that the pump is going out?


TIA

 

Any help?

 

It SHOULD hit closer to 5 volts...3.8 sounds a little low to me.

And since you had a fuel pressure gauge, what pressure were you seeing?

 

Don't remember for sure, but I think it was about 40-42 psi.

Any suggestions why I'm not getting higher TPS voltage?

Voltage is the same with the new and the old TPS.

 

at wide open throttle you should be at 4.3 if it is 4.2 2 and below it will throw an service light i know because i messed with it for about a month..... at idle you should be closer to 59 68 volts call me if you need help972 824 0793 angelo

 

ttt

 

Did you get the memo about the new cover letters on the TPS? We'll make sure you get another copy of that memo.

 

I get it.....funny, but of no help

Anybody have any ideas about the fuel pump?