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Any knowledgeable car geeks here?

Discussion in 'General Chat' started by Dogloverlou, Jun 6, 2017.


  1. Dogloverlou

    Dogloverlou PetForums VIP

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    A bit of a long shot, but just thought I'd ask here in case anyone is a mechanic or knowledgeable about cars in general.

    First off, the car has had diagnostics run on it a few weeks back. The garage concluded they didn't know the exact fault code, that to find the issue could mean checking through multiple sensors and the like, and end up costing a lot of money. When we said the car was burning fuel, they said it might be what they thought it was and quoted a price of about £70. However, because they was only going on a hunch I left it as I do not have the money to take it back again should what they did not fix the problem.

    Fast forward to now & the car is stuttering when trying to accelerate away, kind of like a misfire maybe? it also seems to have lost power and drops quite a bit of speed going up hills etc where as before it would easily maintain speed. I just took the dogs out and found it very sluggish and it was a bit jumpy just driving to the end of the village & back. The EML is on too and has been for about 6 weeks now since this all began.

    I understand it needs seeing too, but I have to unfortunately wait until next payday now at the end of the month.

    Anyone got any ideas maybe?
     
  2. Wilmer

    Wilmer PetForums Senior

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    What make/model? Had a similar issue on a Ford Galaxy a few years back, but the solution was pretty specific.
     
  3. AlexPed2393

    AlexPed2393 PetForums VIP

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    Are all your spark plugs working fine??? Are the majority of your journeys 15 minutes and less?
     
  4. kittih

    kittih PetForums VIP

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    What sort of car is it ? Is it diesel or petrol. Did the garage give you the error codes ?

    Some cars go into limp home mode where if there is some sort of engine management error problem. If the engine light shows it will reduce the allowed rpm and speed to protect the engine. This might explain a lack of power.

    However if it is stuttering / misfiring then it could be a few issues.
     
  5. Dogloverlou

    Dogloverlou PetForums VIP

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    It's a Nissan Almera Tino.

    @AlexPed2393 I have no idea tbh. I'm not very knowledgeable about the mechanics of cars, although a quick Google search did seem to throw that up as a possible cause. It appears to be burning petrol quickly too and occasionally smelling very strongly of petrol when sat at a junction or initially moving off etc.
     
  6. Jesthar

    Jesthar PetForums VIP

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    This one is a real long shot, but I once had a camshaft break between the third and fourth cylinder on an old Ford Escort which caused a general lack of power and acceleration. My (excellent) mechanic had never seen anything like it!
     
  7. AlexPed2393

    AlexPed2393 PetForums VIP

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    As said by @kittih the spluttering could be a few things, with my old bmw 1 series it never had th echance to properly warm up resulting in electrical issues causing misfires, water got into the oil, oil went lumpy and kablamo it all just popped. This resulted in a whole new engine block being needed, new pistons, basically a whole new engine. Was it worth it NO,BMW paid for most of it as the car only had 35,000 miles but we sold after as more issues arose.

    Went into the garage the other week and saw it raised up with another oil issue

    edited to say costs without BMW help would have been £10k plus
     
  8. Zaros

    Zaros Pet Forums, P/resident Evil

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    Unburned fuel not being delivered to ignition point because the delivery system has a leak?

    If it has a leg off you can hear it at idle. Have a look at the engine whilst it's running it should be smooth and stable. If it judders and rocks about on its mountings, a piston that's failing to fire will will cause that unbalance.

    But over all it's difficult to fault find/trouble shoot on the net...
     
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  9. Dogloverlou

    Dogloverlou PetForums VIP

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    It doesn't stutter all the time btw. Yesterday my journey to where I was going it didn't stutter once, although was sluggish. On the way back it stuttered whilst trying to accelerate away quickly on the motorway.
     
  10. Dogloverlou

    Dogloverlou PetForums VIP

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    That sounds easy enough to do for me :) Will go and have a look shortly.

    My initial hunch was that it is a fuel issue. Maybe a blocked fuel pump? Or something like that.
     
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  11. Zaros

    Zaros Pet Forums, P/resident Evil

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    How old is the car and when was the last time you had any maintenance or service carried out on the vehicle?
     
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  12. kittih

    kittih PetForums VIP

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    I agree with @Zaros. It suggests insufficient fuel is present.
    It could be a leak
    It could be that the engine management system has had a senior moment and is not injecting enough fuel
    You could have a blocked or partial blocked filter.

    However if you can smell fuel then IMHO it is likely to be a leak.

    My other half had a similar problem with the fuel pump that was on its way out. However if there is a leak it could also be in the fuel hose, connectors etc. Have a look at the fuel hoses and connectors and look for leaks. See how the engine behaves when at idle and when there is a little bit of throttle applied. It helps for someone to sit in the drivers seat whilst you stare at the engine.
     
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  13. Zaros

    Zaros Pet Forums, P/resident Evil

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    Oy! Before starting it up, just make sure there are no loose cables, go around those you can see and make sure they don't jiggle about.:D

    'Jiggle' is not a recognised mechanical term;)
     
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  14. kittih

    kittih PetForums VIP

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    If you have a faulty fuel pump that is struggling to get sufficient fuel to the ignition system then it can show as stuttering when the engine is put under load eg accelerating or climbing a hill. At idle it should behave normally (unless the fuel pump is really bad) but increase the revs and you will notice a stutter. Perhaps try that too.

    You can buy replacement fuel pumps much more cheaply on line (from trustworthy and safe providers) so if it is the fuel pump and you want to save money you could buy one yourself and ask the garage to fit it for you. That way you only pay labour costs.
     
  15. kittih

    kittih PetForums VIP

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    Darn it. I thought it was. Same as the very authentic and well known mechanical method of "just giving it a wack with a hammer"
     
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  16. kittih

    kittih PetForums VIP

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    It could also be:

    - Mass Air Flow meter faulty/sticking
    - Air temperature sensor faulty
    - Blockage in the exhaust system/injectors

    Found this you tube video which may be of interest. Looks like you can check the codes yourself using a bit of wire held on the two pins as demonstrated. If it is the flow meter it looks like a nice simple diy job :)

     
  17. Siskin

    Siskin Look into my eyes....

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    Did you take it to a proper Nissan garage or to a motor repairs shop?

    A friend runs a garage and he told me that garages like his are not given all the different diagnostic codes and what they mean, whereas the Nissan garage should know.
     
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  18. Zaros

    Zaros Pet Forums, P/resident Evil

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    The hammer is a great tool. Probably the best that's ever been invented, solves a myriad of problems and it still has the uncanny ability to portray to the onlooker you know exactly what you're doing even though you're just bashing the crap out of something you've just lost your patience with.

    And for that one single purpose alone, it proves to be an excellent stress reliever.:Cigar
     
  19. kimthecat

    kimthecat PetForums VIP

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    carburetor ?
     
  20. Babyshoes

    Babyshoes PetForums Senior

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    It should be, just like "buggered"!

    You mean a tap with the tapping sick, aka the fine adjustment tool? :D

    As for the issue, I echo the advice to go to a proper dealer to find out what the code means - there are a lot of reasons for a car to lose power under load, and some of them are very expensive while others are comparatively easy to fix.
     
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