Fault help

stevebg · Apr 27th, 2022, 18:43

Scanned my car today and its came back with " glow plug cylinder 3 - circuit malfunction, what does this mean guys, faulty plug ?

passenger · Apr 27th, 2022, 19:25

Well try this first to be sure. But probably is glow plug:

+ YouTube Video

You have one? Buy it, it's 10 buchs.

If you change, change all.

bananarama · Apr 28th, 2022, 10:22

I wonder if to change mine, but I'm scared to try in case they're ceased and snap

passenger · Apr 28th, 2022, 18:10

I'm doing a lot for my car, but plugs I didn't change 😁

Lasts summer all 5 new. Next change I will do it next year and try alone. Slowly. Problem is there is no lot mechs that are using torque wrench. I told mech to grease thewads a lil bit with copper grease

simboc2004 · May 3rd, 2022, 08:04

Must do mine - I did my previous car (Alfa 159 1.9 Opel turbo diesel) and it made a huge difference to starting - an easy job on that engine, but haven't even looked to see how hard it is to do it on a D3/4/5 five cylinder...

monkeh · May 3rd, 2022, 10:44

D5 plugs? As long as the engine is hot/warm, Shouldn't be a problem. I've only snapped plugs on merc engines. I've had plugs out on a few d5's. Give them a dosing of a penetrant like plus gas, not WD40 a few days on the run up. Be gentle and Preferably replace all 5 of them. Get one out and order the same as they are all different voltages. Chances are if you get a 12v one and they are 4.4v, you'll have issues or vice versa.
Don't buy cheap either, buy genuine bosch.

passenger · May 3rd, 2022, 11:31

Quote:

Originally Posted by simboc2004

Must do mine - I did my previous car (Alfa 159 1.9 Opel turbo diesel) and it made a huge difference to starting - an easy job on that engine, but haven't even looked to see how hard it is to do it on a D3/4/5 five cylinder...

Why hard? On my d5 they are reachable. Just to remove big hose of the way. And please do use torque wrench. If you dont know specs, I eill send you tonight. I also use copper grease on threads

monkeh · May 3rd, 2022, 12:23

Quote:

Originally Posted by passenger

Why hard? On my d5 they are reachable. Just to remove big hose of the way. And please do use torque wrench. If you dont know specs, I eill send you tonight. I also use copper grease on threads

Definitely the easiest engine I have had to plugs on. Don't change 1, do all 5.

Try a d24Tic! Can guarantee 1-4 are changed, 5 and 6 are always left in there!

Apr 27th, 2022, 18:43	#1
stevebg Junior Member Last Online: Mar 23rd, 2023 16:23 Join Date: Nov 2012 Location: carlisle	Fault help Scanned my car today and its came back with " glow plug cylinder 3 - circuit malfunction, what does this mean guys, faulty plug ?

May 3rd, 2022, 08:04	#5
simboc2004 SimboC2004 Last Online: Jun 3rd, 2024 22:51 Join Date: May 2019 Location: Diss	Must do mine - I did my previous car (Alfa 159 1.9 Opel turbo diesel) and it made a huge difference to starting - an easy job on that engine, but haven't even looked to see how hard it is to do it on a D3/4/5 five cylinder... __________________ Volvo V70 P3 ES D3/D4 2011 - 170,000 miles in Black Stone Volvo V40 R-Design Nav Plus D4 190 - 60,000 miles in Osmium Grey Past: '90 944 2.0 turbo, '91 944 2.0, '92 945 2.0 turbo, '95 945 2.3 HPT, '09 C30 2.0D R Design 180bhp+, '13 C30 D2 Lux.

May 3rd, 2022, 10:44	#6
monkeh Pain in the backside Last Online: Today 10:07 Join Date: Mar 2007 Location: Newport	D5 plugs? As long as the engine is hot/warm, Shouldn't be a problem. I've only snapped plugs on merc engines. I've had plugs out on a few d5's. Give them a dosing of a penetrant like plus gas, not WD40 a few days on the run up. Be gentle and Preferably replace all 5 of them. Get one out and order the same as they are all different voltages. Chances are if you get a 12v one and they are 4.4v, you'll have issues or vice versa. Don't buy cheap either, buy genuine bosch. __________________ 'Designed by a computer, built by a robot, and driven by a f***ing nutter' '09 XC70 SE - 2" lift, D5 225bhp, poverty spec '18 V60 Twin Engine R Design - 290bhp

Apr 28th, 2022, 10:22	#3
bananarama Senior Member Last Online: Today 16:16 Join Date: Jan 2022 Location: Reading	I wonder if to change mine, but I'm scared to try in case they're ceased and snap

Apr 28th, 2022, 18:10	#4
passenger Master Member Last Online: Jun 1st, 2024 21:08 Join Date: Feb 2021 Location: Mountains	I'm doing a lot for my car, but plugs I didn't change 😁 Lasts summer all 5 new. Next change I will do it next year and try alone. Slowly. Problem is there is no lot mechs that are using torque wrench. I told mech to grease thewads a lil bit with copper grease

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