im not shore how do u rate that engine beta than the hdi pug engine and beta than the vauxhall 2.0 m9r engine
Owners of vehicles with that M9R engine fitted have certainly experienced injector problems leading to very costly repairs. The problem has been much bigger than Renault/Vauxhall have admitted.
http://www.bbc.co.uk/programmes/articles/WTpKv9M20KS4Xy8DlWGQxL/vauxhall-nissan-and-renault-vansA customer of ours bought a 1 year old Trafic van a couple of years ago and within a few months experienced major engine issues. After much of a fight, Renault eventually agreed to replace the whole engine, which would have cost my customer over £5000 had he had to fork out the money for it. But he was without his van for a couple of months and had to fight Renault every step of the way, even although the van was in warranty.
I'm of the old school and still think that the best engine out there is the 2.0 hdi. Its better than the 2.2 hdi - even Citroen admitted that when I worked for them. But the 2.2 stayed as they could do more with that engine when it came to emissions. I think that this Euro emission standards will eventually kill the diesel engine altogether and we will then see petrol engines back in commercial vehicles.
But its interesting that VAG have upgraded their 1.9 tdi engine to a 2.0 liter, where PSA have moved away from the 2.0 variants I'm sorry to say. But they know more than I do.
I was disappointed when the first 1.6 hdi engine came out in the Picasso. They boosted the power to 110hp to equal that of the 2.0 hdi in the C5, but only in 3rd gear. This was done with turbo boost which I'm not altogether happy with. Its additional heat. But that 1.6hdi 110 hp wasn't as driveable as the 2.0 hdi 90hp in the same vehicle - low down torque comes from engine size which isn't the same as turbo boost.
In South Africa the 1.4tdi VW Polo has a reputation of failed turbo's. The heat in summer combined with high altitude (2000m above sea level means the air is 20% less dense than at sea level) are the cause. VW don't fit that engine anymore. Most engines with turbos have overheating issues in that country; one of the reasons why petrol engines will always be the favoured power source. Normally aspirated diesel engines are fine, but add a turbo is a recipe for disaster. But normally aspirated engines aren't made any longer.
The reason why the 1.6 hdi became favourable with PSA vehicles was because of weight. An 800 LX Berlingo 2.0 hdi prior to 2003 had a full 800 kg capacity whilst still sitting in the car derived van market sector. This meant that speed limits on single carriage road and motorways were the same as a standard car.
After 2003 a EU ruling meant the front end had to be redesigned; the front bonnet needed to be straighter or more level - less aerodynamic. This was because a pedestrian had more chance of survival if hit but a van at 30 mph than with a van with a more sloping bonnet. They increased the minimum height between the top of the engine and the bonnet. The extra material used added weight to the body so reduced the payload of the 2003 Berlingo to 788kgs. But to achieve this payload they also need to move the van up into the next weight category, so the van now heavier, had slower speed limits applied, 50 mph on single carriage road and 60 on dual carriage roads.
So to get the Berlingo back into the lower tax category and increase the payload back to 800 kgs, the 1.6 was introduced. Originally, it was going to be the newly launched 1.4hdi. A group of mechanics from each dealership were in Slough to be trained on the 1.4, but in the end they never fitted it. Another reason for the 1.6 was that the Kangoo had the 1.5dci engine and were benefiting from the lighter vehicle and higher payloads. (PSA and Renault don't get along very well together, much like Ford and GM in America.)
The 2.0 hdi C5 with the 110 hp motor was the best caravan tow vehicle of the time, much better than the 2.2 hdi fitted to the same C5.
When they did a facelift of the C5 in 2004 they introduced the 1.6hdi in 110hp format. It won't pull a caravan. Citroen were forced to reintroduce the 2.0hdi back into the C5 but as a 136hp engine. That tells you why I don't think much of the 1.6hdi. But that's my personal opinion and is based on how I see things. Others will argue that I'm wrong, and I accept that.
It also will explain why I will try to run my 2004 Citroen Relay 2.0hdi as long as I possibly can. I don't fancy all the new dpf filters and all the other emissions related stuff that new vans have to comply with as its more expense and drama.
I meant to add that we will have to replace my son's 2.0 hdi 2002 Peugeot Partner 800lx van sometime. I will have no qualms about buying a replacement with a 1.6 hdi engine, provided it fits the bill of being well maintained - just as I advised the OP. But for me it would need to be the 92hp engine rather than the 70hp unit.
