Fisherman Mike Posted January 9, 2015 Report Share Posted January 9, 2015 My Brother rang me last night ( the fool things I know about cars) Anyway what he asked was... " My Mitsubishi Outlander shows some hesitancy when accelerating or under load occasionally, but has not thrown up a fault code. However when I start it up and for the first few miles when its cold it goes like a rocket..." "Why is this" I don't know but................... I said I would ask.... Quote Link to comment Share on other sites More sharing options...
Blunderbuss Posted January 9, 2015 Report Share Posted January 9, 2015 Mike, you know this isn't Piston Heads right? Quote Link to comment Share on other sites More sharing options...
Dan. Posted January 9, 2015 Report Share Posted January 9, 2015 Sounds like it could be a temperature related issue, and it could be lots and lots of things so there is no point in speculating what it could be, just get it into a garage and get them to check it out. Quote Link to comment Share on other sites More sharing options...
Cannon Posted January 9, 2015 Report Share Posted January 9, 2015 There could be a split in a hose somewhere, a failing coolant temperature sensor, intake air temperature sensor or maf sensor. Without being able to look at the vehicle I couldn't say for sure though Quote Link to comment Share on other sites More sharing options...
Mungler Posted January 9, 2015 Report Share Posted January 9, 2015 (edited) intake air temperature sensor or maf sensor. This. Last time I had one done it hurt the pocket - like everything motor related this days it was part of a fixed unit that ended up with a whole new ECU. Edited January 9, 2015 by Mungler Quote Link to comment Share on other sites More sharing options...
ditchman Posted January 9, 2015 Report Share Posted January 9, 2015 (edited) get him to take it in to a garage that has the programme...............should cost £20-35 to run it thro the programme...and find the fault.......fault code may not come up on the dashboard if the problem wont damage the engine............. Edited January 9, 2015 by ditchman Quote Link to comment Share on other sites More sharing options...
Shooterluke Posted January 9, 2015 Report Share Posted January 9, 2015 Im no car expert but i think when the car is warm and more sluggish it might be sucking warm air of the engine causing it to seem slower as stated above air box or pipe might may have split or the maf sensor may be playing up best to get it to a garage on a machine Quote Link to comment Share on other sites More sharing options...
Twistedsanity Posted January 10, 2015 Report Share Posted January 10, 2015 Guessing its a turbo deisel it could be a split in the boost hose, a very common fault nowerdays as the engine warms up the hose gets warm and flexible and the split becomes more apparent. Has to register low boost pressure for a predetermined time before throwing up a fault code, I have had this twice on shoguns, once on my Merc and also on my mums golf Quote Link to comment Share on other sites More sharing options...
keg Posted January 10, 2015 Report Share Posted January 10, 2015 Does it have swirl flaps? These caused a nightmare with my Volvo V70 once. Quote Link to comment Share on other sites More sharing options...
Cannon Posted January 10, 2015 Report Share Posted January 10, 2015 The Volvo Euro 4 D5 engines were renowned for swirl flap issues. The plastic linkage would break and cause all sorts of issues with the engine. BMW's also suffer from swirl flap related problems. If the Outlander has swirl flaps then it's possible that they could be causing the hesitancy problem Quote Link to comment Share on other sites More sharing options...
spanj Posted January 10, 2015 Report Share Posted January 10, 2015 Possible injector seals Quote Link to comment Share on other sites More sharing options...
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