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Oct 14, 2017 10:38:14 GMT
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I have a 1996 Peugeot 406 1.9 XUDT with the Bosch fuel system.
The tickover speed is high (around 950rpm) and I can't adjust it out. Bizarrely, it drops to around 800rpm when at high altitude (like at the top of a Norwegian mountain).
Is there anything that's not the tickover screw I could check?
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fad
Posted a lot
Posts: 1,781
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Oct 14, 2017 13:43:55 GMT
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Yes. Your idle mix screw.
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Dec 10, 2017 16:16:15 GMT
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Any idea where I find that (sorry for the delay in replying)?!
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Rich
Club Retro Rides Member
Posts: 6,237 
Club RR Member Number: 160
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fast idleRich
@foxmcintyre
Club Retro Rides Member 160
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Dec 10, 2017 16:54:16 GMT
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Does it have the cable operated waxstat cold start? they play up and wind the RPM up. Ignore the comment about the idle mixture screw, It's a diesel..
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fad
Posted a lot
Posts: 1,781
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Dec 10, 2017 17:05:08 GMT
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Does it have the cable operated waxstat cold start? they play up and wind the RPM up. Ignore the comment about the idle mixture screw, It's a diesel.. Sorry. Only really scan read. My bad!! Indeed, ignore me. |
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Rich
Club Retro Rides Member
Posts: 6,237
Club RR Member Number: 160
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fast idleRich
@foxmcintyre
Club Retro Rides Member 160
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Dec 10, 2017 18:43:33 GMT
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Does it have the cable operated waxstat cold start? they play up and wind the RPM up. Ignore the comment about the idle mixture screw, It's a diesel.. Sorry. Only really scan read. My bad!! Indeed, ignore me. I had to read the OP a few times to make sure it was definitely a diesel too mind, silly Peugeot engine codings  |
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fad
Posted a lot
Posts: 1,781
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Dec 10, 2017 18:54:57 GMT
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To be fair 1.9 shouldda given it away... 1.9 petrol? Not so common!
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Does it have the cable operated waxstat cold start? they play up and wind the RPM up. Ignore the comment about the idle mixture screw, It's a diesel.. I think it does, yes. From what I remember (it's been a long time since I had a poke around) the cable needs to be under tension to drop the idle, so I'm assuming that if the fast idle thing is disconnected (if it can be disconnected) then it defaults to the fast idle position? |
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Rich
Club Retro Rides Member
Posts: 6,237
Club RR Member Number: 160
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fast idleRich
@foxmcintyre
Club Retro Rides Member 160
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Does it have the cable operated waxstat cold start? they play up and wind the RPM up. Ignore the comment about the idle mixture screw, It's a diesel.. I think it does, yes. From what I remember (it's been a long time since I had a poke around) the cable needs to be under tension to drop the idle, so I'm assuming that if the fast idle thing is disconnected (if it can be disconnected) then it defaults to the fast idle position? Wrong way round. The cable pull increases the idle. Had this problem on my BX and fathers berlingo as well as a customers dispatch. The dispatch was a nail and I seem to recall disconnecting the cable completely as it was causing so much issue. |
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