Domus Posted October 1, 2016 Share Posted October 1, 2016 On the ferry to Santander tomorrow, the TPS on my 150 seems to be moving around. Running rough at low revs but flying over 4,000 rpm.Can someone let me know the Ford part number for the sensor please. Might try a new one in Santander. May try new plugs if I can get some in Plymouth. Ta Link to comment Share on other sites More sharing options...
SM25T Posted October 1, 2016 Share Posted October 1, 2016 Is it possible there is water in the connector ? Unplug it and try a spot of WD40 on the sockets. Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted October 2, 2016 Member Share Posted October 2, 2016 Can someone let me know the Ford part number for the sensor please.Previous discussion, with part numbers.Viage sejuro.Jonathan Link to comment Share on other sites More sharing options...
Eccles Posted October 3, 2016 Share Posted October 3, 2016 The wiring can also be problematic as the wires bend quite sharply at the bottom of the connector because of the coolant pipe. Might be worth a check.Ivan Link to comment Share on other sites More sharing options...
Domus Posted October 3, 2016 Author Share Posted October 3, 2016 New plugs fitted and TPS re set in Parador car park, hotel guests interested in all the readings on the laptop. Just glad they did not ask what they all meant. TPS was way off again. How does this happen after only a few hundred miles? Good test tomorrow up in to the mountains. Link to comment Share on other sites More sharing options...
SM25T Posted October 3, 2016 Share Posted October 3, 2016 Is the setting of the TPS adjustable ? If so, does it need a spot of loctite on the retaining screws. Link to comment Share on other sites More sharing options...
martyn Posted October 7, 2016 Share Posted October 7, 2016 I've had better luck by not tightening the TPS so much.I went through a cycle of tightening it more and more when it would never stay stable. Just seemed to make it worse. The problem is that the body is made of plastic and it starts to distort easily.Try setting it just more than finger tight, using the short leverage side of an allen key. Link to comment Share on other sites More sharing options...
Domus Posted October 18, 2016 Author Share Posted October 18, 2016 Update time. Back from Sunny Spain and had a play with the car. Replaced the cheap Ebay TPS with my old original Ford item. (Local Ford dealer wanted £108 for a new one) New short loom fitted from Caterham, less than £10 inc P&P. Balanced the throttle bodies, re set TPS to 1.04 v (I used two tiny spring washers on top of the plain washers to hopefully stop the thing from vibrating loose) and re set the idle to 950 ish.Only managed a short test run but included some busy town driving and managed a quite smooth 30 mph in 5th, which was impossible last week even in 3rd.I suspect the TBs need will balancing on a regular basis.Fingers crossed that a regular check up will keep it running as well as it did the other day. One question, can the TBs be adjusted individually? Number 4 is different to number 3, only a midges' but 1 and 2 are very well matched. Link to comment Share on other sites More sharing options...
Eccles Posted October 19, 2016 Share Posted October 19, 2016 Mine has individual bleed screws on the TBs but they are a pig to get to as they are under the fuel rail. From recollection it is a 2mm allen key for teh bleed screw and a bent 8mm ring spanner for the lock nut.Ivan Link to comment Share on other sites More sharing options...
colindavies56 Posted October 19, 2016 Share Posted October 19, 2016 hi Peter, yes you can alter then individual. Link to comment Share on other sites More sharing options...
Domus Posted October 19, 2016 Author Share Posted October 19, 2016 Wil have a play next week, MOT due November 1. Can't believe it's 6 years since it was first registered. Link to comment Share on other sites More sharing options...
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