Search found 3 matches

by sundie
Tue Jun 29, 2010 5:53 pm
Forum: OEM EFI Hardware
Topic: 4 Wire TPS
Replies: 8
Views: 502

Re: 4 Wire TPS

well, it's easy enough to find out.

Put your meter ground to the apparent ground (usually black, unless it's a german car, then it's usually brown), put your meter red lead on each of the other 3 wires, and see what happens. One of them will (probably) go 0 ohms (continuity) at either full open or ...
by sundie
Tue Jun 29, 2010 8:39 am
Forum: Injectors, Fuel & Air Supply
Topic: Chevy 235 I-6
Replies: 7
Views: 608

Re: Chevy 235 I-6

I have a 51 Chevy 1/2 ton pickup with an inline 6 235. I would like to EFI it and possibly turbo it. However, some of you may know that the cylinder head has siamesed intake ports - for 3 intake ports total. Would it be difficult to program the MS to force one injector to operate "double time" for ...
by sundie
Tue Jun 29, 2010 8:04 am
Forum: OEM EFI Hardware
Topic: 4 Wire TPS
Replies: 8
Views: 502

Re: 4 Wire TPS

I meant on/off as its type of output; usually they indicate that the throttle is closed. Why they felt a need to add a switch for that when the ECU could tell from the voltage reading that the throttle is closed, I'm not sure.
I think they're usually a WOT switch, and they go to the ECU for the ...