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Engine issues with 2-2 Diesel

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Hi. I have a 2007 2.2 Diesel with a few issues. First, the engine does not run good around 2000 rpm. It sometimes stalls for half a second, but it has never stopped. So when I drive, I try to either be around 1500 rpm, or 2500. Response from the throttle is also slow, it's like half a second from when I push the petal, untill the engine reacts.
The other issue is, the engine get warm when I push it, like going uphill in a large hill, or overtaking other cars. It quickly comes back to normal temperarture when I'm on top of the hill, or finnish the overtaking. Coolingwater is disappering, but I found that it spit out some coolingwater through the overflow valve in the expansiontank a while after I shut of the engine. I don't know if it keep wenting out water while driving.

Sorry for my bad english, I'm not from an english speaking country.

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Moved to the Rav 4 club

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I recall that spitting some cooling water out via the overflow is a symptom of the infamous head gasket issue.  But I'm not sure the others are (hesitation around 2000rpm, overheating going up hills).

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Thanks for your help. 

 

After reading this, and doing more investigation on the engine, I think my head gasket is leaking. That fit's with many of the symptoms. The expansion tank for cooling water is always pressurized when I open the cap after the engine has been running. If I open imideately after engine shut off, it will blow water out of the tank due to pressurized air in the coolingwater system. The overheating going uphill and when overtaking, is due to higher rpm on the motor, blowing more air into the cooling sysytem, pushing away the cooling water. As soon as normal rpm is used, the temperature will sink to normal within a few seconds. And when starting the engine when cold, with the cap in the expansion tank open, there's smoke comming out of the tank. I pressume that is exhaust smoke from the leaking head-gasket. 

 

So I guess that is game over for my car, since they will not change gasket, but replace the engine. Really annoying. 

 

 

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If It's the same 2.2 litre 177bhp engine as used in my Lexus IS220D then mine blew out coolant from header vent but no overheating as didnt drive it and kept topping up. After a month it got far worse and undriveable. Overflowing from start up and dumping it out with bubbles like a volcano.

Tried K seal. Useless. Scrapped it and got £350. It had 184,000 when scrapped. It has been my worst car! Didn't like the Gearbox mismatch, turbo lag. Build quality, colour, comfort and safety was good. My £250 Volvo 940 petrol automatic has been great in the 4 years of ownership. Now run in at 200,000 miles!

Bought a 2015 Auris hybrid which I like with 26,800miles.

You could try steel seal?

James.

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Sorry to hear that Thor.  How many km on the engine, and what would your car be worth in your country, without this problem?

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