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10th March 2020, 21:31 | #11 |
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No not the breather pipe, the rubber (Or silicone) One that is the smaller of the two from the air filter.
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10th March 2020, 21:34 | #12 |
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The pipe outlined in yellow
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10th March 2020, 21:35 | #13 |
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okay i will check tomorrow if i can manage to get it started,first i need see about this starting issue ,just my luck at moment.
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10th March 2020, 21:48 | #14 |
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Oh sorry i know the one, mine has a short new blue pipe fitted with a cone filter on the end which all looks sealed good i just remembered it.
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This vehicle was the 53,401st 75 to run off the production line, out of 112,381 This vehicle was the 2,551st 75 CDT Club to be made out of 3,403 This vehicle was the 5,192nd 75 in White Gold Metallic (code: GMN) to be made out of 12,251 White Gold Metallic 75s My New Addition MGZT 190 Trophy Blue 2001 Petrol. |
4th April 2020, 16:44 | #15 |
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Hi Everybody
Im still struggling to get this throttle correct,I have got hold of a secondhand idle valve and checked it cleaned and fitted it,At first it took a while to get used to the different idle control valve but calmed down after. I think its an improvement but still not correct,I start it up from cold and it about 1200 rpm which is fine i drive to end of the street and pull up at junction and its up to 2000 rpm and does this until its warm,then it drops down to about 800rpm and is perfect. I have a spare throttle body with a potentiometer on it is it worth trying this or any other ideas please. cheers julian
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This vehicle was the 53,401st 75 to run off the production line, out of 112,381 This vehicle was the 2,551st 75 CDT Club to be made out of 3,403 This vehicle was the 5,192nd 75 in White Gold Metallic (code: GMN) to be made out of 12,251 White Gold Metallic 75s My New Addition MGZT 190 Trophy Blue 2001 Petrol. |
4th April 2020, 17:27 | #16 |
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If you blip the throttle and it returns to the correct RPM then it is the linkage or the throttle body. if not then I doubt it is either of those.
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4th April 2020, 19:14 | #17 |
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Cheers ,tried that has no effect.
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This vehicle was the 53,401st 75 to run off the production line, out of 112,381 This vehicle was the 2,551st 75 CDT Club to be made out of 3,403 This vehicle was the 5,192nd 75 in White Gold Metallic (code: GMN) to be made out of 12,251 White Gold Metallic 75s My New Addition MGZT 190 Trophy Blue 2001 Petrol. |
10th May 2020, 19:19 | #18 |
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Hi everybody hope you all keeping well,Im still trying solve why i have such high revs when cold.
Ive tried a different potentiometer in it to see if any difference but just the same,I cant find any leaks anywhere and its fine when warm. It just seems like the ECU is taking control away from the throttle somehow ?? Would a T4 Diagnostics maybe show what the problem could be ? many thanks julian
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This vehicle was the 53,401st 75 to run off the production line, out of 112,381 This vehicle was the 2,551st 75 CDT Club to be made out of 3,403 This vehicle was the 5,192nd 75 in White Gold Metallic (code: GMN) to be made out of 12,251 White Gold Metallic 75s My New Addition MGZT 190 Trophy Blue 2001 Petrol. |
11th May 2020, 09:46 | #19 |
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High revs when cold sounds like an inlet leak to me.
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11th May 2020, 11:10 | #20 |
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I have had an instance where the "plate" on the end of the throttle shaft, (shaft has two flats and is secured by a nut with the locking type washer), developed a small movement due to wear or bad fitting. Revs stayed at 1200 after initial warmup, blip throttle and settled to 820, drive again, stop and it goes to 1200.
Found the problem by holding the "plate" and using a finger on the butterfly, found I could move it. Needless to say the throtttle body has to be off the manifold to find this all out !! |
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