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NegevLandRover

1997 Disco 300 TDI EDC Automatic playing up

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I need some ideas on what might be causing the following:

1. When starting out the gearbox, automatic, changes from 1st to second no prblems but when going from 2nd to 3rd it seems to change back to 2nd or possibly slip (neutral) for a second or two and then back into 3rd and from 3rd to D with no problems. Gear fluid is fine - right type and level. The box is a reconditioned one that worked fine for 7 months (of course it had a 6 month warantee). Flushed the gearbox twice and refilled with good oil. Also worth noting that when cold the gearbox takes a km or 2 before it cahnges out from 1st to second but after that, and saving the 2 to 3, glitch seems to be fine.

2. Every now and again the engine simply looses power for a heartbeat and then recovers. The wiring looks fine, the battery conections and earths are all good, the diesel is fine and filter full. This usually happens when cruising or in iddle. Cannot seem to link this to specific RPM or gear or speed etc.

TIA

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Re 2 it could well be a problem with TPS (little black cannister on top of brake pedal box) take note if MIL light comes on for a split second , its usually around the normal light throttle cruise position of the pedal HTSH

Re 1 sounds like problem in valve body , the slow upchange when cold points at filter partly blocked

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