S-40 1.9d 66kw 1997y. cold start problem

[lauztuvas]

Hi all. I have old volvo s-40 1997 years 1.9TD (turrbo diesel) 66 kw. It have problem with cold start. When i turn key engine is turnig and it starting but one or two second and engine stall of. But when i turn key to start enginen and pushing acelerator pedal, enginen is starting, and dont stalling. But it working poor- like one cilinder not workin. After abouth 10 second, i can relyse a pedal- engine is working. But enginen speed is about 800 rmp . When enginen is in working temperature, everthing is normal. So, i am cheked plung, and plung relay- everything is ok. Also I am replased fuel hose to transparent hose. There are no air in hose after long standing. Also i am replased fuel filter. There was an idea that is bad fuel injector. So that was true- 2 was bad, so i bought all four injectors new. Cold start become a little beter but not good like must by. Then temperature is 10 celcium cold- start engine after night is difficult. Also i am checked a compresiont: 20, 26, 26, 26 bar.
So any sugestions?
Thanks.

[skyship007]

Originally Posted by lauztuvas

Hi all. I have old volvo s-40 1997 years 1.9TD (turrbo diesel) 66 kw. It have problem with cold start. When i turn key engine is turnig and it starting but one or two second and engine stall of. But when i turn key to start enginen and pushing acelerator pedal, enginen is starting, and dont stalling. But it working poor- like one cilinder not workin. After abouth 10 second, i can relyse a pedal- engine is working. But enginen speed is about 800 rmp . When enginen is in working temperature, everthing is normal. So, i am cheked plung, and plung relay- everything is ok. Also I am replased fuel hose to transparent hose. There are no air in hose after long standing. Also i am replased fuel filter. There was an idea that is bad fuel injector. So that was true- 2 was bad, so i bought all four injectors new. Cold start become a little beter but not good like must by. Then temperature is 10 celcium cold- start engine after night is difficult. Also i am checked a compresiont: 20, 26, 26, 26 bar.
So any sugestions?
Thanks.

Check the head gasket is OK (No coolant loss, post start overflows or traces of oil and check oil for contamination).

It's rare to get a valve or ring issue on only one cylinder, so I wonder if the HG has cracked on the cylinder with the low compression.

Also take a look at the resistance of the glow plugs (Only a few ohms if OK), although the 1.9D will start OK in 10c without them. Might be a factor if it's more than one fault.

[lauztuvas]

With antifreeze (coolant)- no loss. Also temperature (enginen) is normall. Yesterday I take a small trip . I went abouth 200km. Everythink is good. No coolant loss, no oil loss. Fuel consumption is 5.5l to 100km. It is very good for me. When runig at 100km/h speed and need to overtake a another car- no proble, it have power, going like petrol ( i have another car mercedes diesel 2.2 with 70kw. volvo goes faster and quicker like my mercedes). So, i am thinking abouth bad enginen time, or bad fuel pump. It Lucas pump in my car. And in my country all cars mechanic says- Lucas is **** becauce no one can repair it ant give quarantee . Also, when enginen cold, it give blue smokes- like not good burning fuel( in normal enginen temperature no blue smoke, only little bit if we suddenly push acelerator pedal to end)
HG - what is it?
Sorry for my language errors- my mother language is Lithuanian.

[DXMachina]

Originally Posted by lauztuvas

HG - what is it?

(Cylinder) Head Gasket

[bobthecabbage]

Have you had the coolant temperature sensor checked to see if it is giving a true read out?

When you say 10 degrees Celcius do mean +10 or -10?

What do the fault codes say, any misfires?

[skyship007]

Originally Posted by bobthecabbage

Have you had the coolant temperature sensor checked to see if it is giving a true read out?

When you say 10 degrees Celcius do mean +10 or -10?

What do the fault codes say, any misfires?

Yep, the fault codes do need reading, although they probably don't record misfires for a diesel, one of the sensors like the coolant temp or fuel pressure regulator could be kaput.

How much oil does this engine use every 10K km ??

[bobthecabbage]

I wouldn't know how the ecu would pick up a misfire but I was basing that on a clio 1.5dci we recently had diagnosed as having a misfire on one cylinder.

I'm sure the renault 1.5dci engine must share some genes with our renault-volvo 1.9 diesel!

[lauztuvas]

How much oil to 10000km- i cant say realy but not biger like 1 litre.
I want to say -10 cold.
My engine is no dci. Only td. There no presure regulator. In my car is only andvance time solenoid, Accelerator pedal (AP) position sensor (bouth on fuel pump), Needle lift sensor,Intake air temperature (IAT) sensor, Idle control (IC) valve, EGR controller and two coolant temperature sensors( one sends signal to dash bord- temperature gauge, second menage fan) . first coolant sensor i am replaced, becauce it was bad- sometimes it show good engine temperature, sudenly that is hot, or in morning then engine is cold but show hot. So i replaced it- now everything is normal.
In instrument cluster i dont get avoid for errors.
http://img3.auto24.ee/auto24/560/782/42635782.jpg This is v-40 - not mine but enginen like in my car.

[skyship007]

You need to get the hidden fault codes read, otherwise you could finish up replacing almost everything before finding the fault. With most ECU common rail turbo diesels, if a fault can not be rectified by normal servicing, like cleaning the EGR or even cleaning the MAF sensor (Limp mode faults only), GET THE CODES READ.

The ECU program in question is 20 years old, so it will probably not identify an invidual injector or cylinder misfire and does not detect faults before the injection pump, like a blocked or leaky fuel filter. It also has no way of detecting a blocked EGR, CAT or even some turbo faults.

Never touch the injection system until you have tried using a direct feed cleaner, because at least half of all bad injectors are just gummed up. Injector tips should last at least 500K km plus, IF you use a real Volvo or Bosch (marked made in Germany only) fuel filter changed before it falls apart or blocks. The HP pumps also last almost forever (Longer than the injectors) IF you use good fuel filters AND high quality engine oil.

[lauztuvas]

About CODES. With cheap obd cable it is not imposible to read codes. Only dealer can help in this?
My father have volvo 850 petrol - no problems to read codes. I readed few times .
SO meaby thera is sometfing secret way to get codes from my s-40 without dealer service(very expensive in my coutry) ?