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HM179

Strange TD issue H2/-15 eng

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Posted (edited)

Fuel control roughly 60 rich. Push throttle above crossover tit corrects roughly 820. Pull throttles just below crossover tit stays at 820. Below crossover tit will only correct back when switch is placed to NULL. All TD ops checks work as advertised. Valve is going to a locked position below crossover with the switch in AUTO. Considering the valve works like a champ in AUTO and also in locked not suspecting the valve to be the culprit. Changed AMP, coordinator, & relay box. Have never come across this issue before any ideas?

Edited by HM179

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Plz installed TD tester, it will identify the component which having problem, if u haven't TD tester and u replaced all components of TD system u also replace LT harness assy,  it might be resolve ur problem. 

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It sounds like the problem is with the TD AMP.... But if u have already changed it then plz chek the wiring from AMP to VALVE... also chek the system by going through TD TESTER... 

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