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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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C30 Reduced Engine Performance - Again!Views : 3472 Replies : 12Users Viewing This Thread : |
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Apr 6th, 2021, 04:35 | #11 |
Premier Member
Last Online: Feb 16th, 2024 13:43
Join Date: May 2018
Location: Na
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Glow plugs don’t function like spark plugs. All they do is get really really hot when you first open your drivers door to preheat the engine.
Accordingly if the car goes to reduced power on startup this may be the issue. If however the car goes into limp mode after a while I doubt it’s glow plug related. After a short time (maybe seconds?) the glow plugs are not in operation. Is there a relay for the glow plugs? If their is I would order a replacement and swap that first. Relays are very inexpensive and simple to fit. |
Apr 6th, 2021, 11:07 | #12 | |
Senior Member
Last Online: Jan 26th, 2024 17:19
Join Date: Jul 2019
Location: Chester
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Quote:
I didnt know that the glow plugs kick in when I open the drivers door to warm up the engine. Is this always happening even when I open the door briefly to get something Ive left inside, without sitting in the drivers seat? When checking the hidden menu on the dash I do have a few items on DTC SET, one of which is DDM (driver door module). I wonder if this could be related. That has been there for many months, I just assumed it was something to do with a door air bag or something. There is a relay, which is what vida is saying ECM 6620, but its behind the nearside wheel arch. I was going to try cleaning it with some contact cleaner first, if I have to get at the ECM. But hoping its glow plugs because easier lol. Last edited by VolvoRob38; Apr 6th, 2021 at 11:13. |
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Apr 6th, 2021, 20:52 | #13 |
Junior Member
Last Online: Mar 8th, 2024 20:19
Join Date: Jan 2014
Location: Sussex
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engine performance, reduced |
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