I think the term should read "man" enough....... mad is what happens when your 401k hits another all time low. Wiggle the wires to the MAF connector and the TPS. Dielectric grease will jump some of the great divide if you have a loose connector. It's not really all that uncommon for a wire to be found out of it's crimp connector on these boats.

 

I think I paid less than 125 for mine, there have been mentions of ones in the 80 ranges, then you also get into the units that plug into the connector and talk to your phone or lap top, which are even less. Will store let you rent them with a deposit? Of course, if you drive to store, it should take about four minutes to have them come out and read it, at which time it will repeat the problem.

Since it does it when warmed up... old skool TV repair trick was to spray something cold on a suspect component (like brake cleaner).

 

The more I think about it the more this makes sense.
Does anyone know which terminal on the ECU the IACV and TPS wires go? I can't quite make out the colour of the wires.

I'll just hardwire the son of a *@$#%

 

Thanks ihscouts, but I've jiggled those wires till I've gone mad! As I asked below:

The more I think about it the more this makes sense.
Does anyone know which terminal on the ECU the IACV and TPS wires go? I can't quite make out the colour of the wires.

I'll just hardwire the son of a*@#$%
That's how mad I am!

 

Tried that, bought new sensors today ran great for 15 minutes and then back to "normal" 2000rpm. As below.

Got to be a loose wire or bad connection but how to go about tracing it?

If I knew the terminals on the ecu I would just hardwire the sucker but i can't follow the british wiring in the Rave, nor how that translates to the reality of the thousand wires going into the ECU. Whoever designed those electrics needs to be stoned.

Does anyone know the connections?

 

I've calmed down sufficiently to read the Rave. On Page 26 of the Electrical Troubleshooting Rave it says:

X126 Engine Coolant Temperature Sensor has an RB (red/black) wire going to the J293 HJ7 Junction (common with the TPS, MAF and Coolant Temperature) which is a fusebox and this in turn goes to the ECM.

On the other end of the Engine Cooling Sensor a GU (Green/Blue) wire goes to the ECM at Terminal 7, the engine fuel temp has a SW (grey/white) wire going to terminal 32, the TPS has an N (brown) wire going through c149 (an in-line connector) to a Y (yellow) wire to terminal 3 (C243 - not sure what this stands for? There's a lot of them in the manual and I think it means "Plug connected at component" see page 14)

Am I reading this correctly? So if I take a wire from the Coolant sensor to the ECU directly at terminal 7 I will have solved the problem or will I blow the entire wiring loom?

 

And Blow the ECU with it?

 

Does anyone know what the HJ7 S293 is? Rave says it is behind the right side fascia - does that mean taking out the glovebox?

 

Page 27 The IACV has an RG (Red Green) GW (Green White) US (Blue Grey)and O(Orange) wire going to terminal 1, 26, 28, 29 on the ECM.

Again can I go direct from the plug to the ECU?

 

This should help. Sensors like TPS, coolant, fuel temp are simple devices that go directly to ECU. MAF also connects but it gets 12 volts from the system when key is turned on.

Pix does show a whole world of things behind glove box, comes out easily.

As to difficulty reading schematic - you must be a child of the GPS generation. Not much more than a simple road map. They do have an introduction which shows the odd symbols and such that they use.