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08 Dec 2019 22:57 #216306 by Fossie
Your opinions was created by Fossie
Kinda ....asking how long is a piece of string here I know , but hey the answer is out there!
Drove my daughters Jimny today a 54 plate cabrio so G13 engine..
It starts ticks over absolutely no problems straight away even tick over , however it seems very slow on acceleration almost heavy! It speeds up getting to speed rather than SPEEDS up , if you get my drift....top speed seems to be 60 ish according to Tam ( the owner.) I wouldn't know the weather and lack of lack of Tarmac not acting like a flood plain hindered my testing of this.
The steering seems heavier than mine ....the brakes seem to work fine. Though she says it wobbles a bit braking from 50 mph.
Sounded heavy also.

Apparently the cam belt was changed recently , the airfilter is clean and is the oil filter, indicating fairly new.
My thoughts are possibly , brakes binding, fi system though not sure what, check diff oil levels just to elimate that . Could the timing be out slightly? Old air cooled motorcycles you have one tooth out and it'd run fine but lack power.
Thoughts please, before she visits her local mechanic chappie.

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08 Dec 2019 23:10 #216307 by Delux
Replied by Delux on topic Your opinions
Yeah, I'd check for binding brakes 1st
Timing belt timing next.
Might want to check spark plug gap is correct if they have been changed.
Have a look/listen for air leaks from split vac pipes, flattened breather pipes etc.

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09 Dec 2019 05:34 #216310 by Lambert
Replied by Lambert on topic Your opinions
Also while you're on with it check the tyre pressure are somewhere near 23 front and 26 rear. It can have more of an effect than you think.

Dreadnaught (black 2011)

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09 Dec 2019 07:38 #216311 by mlines
Replied by mlines on topic Your opinions
Also could be a block catalytic converter

Martin

2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses

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09 Dec 2019 09:01 #216312 by jackonlyjack

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09 Dec 2019 10:23 #216314 by CC Baxter
Replied by CC Baxter on topic Your opinions
Sounds gas- flow related. Sooty plugs intake side, clean plugs exhaust side.
Given that it runs clean but is sluggish it could well be the exhaust.
Chris

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11 Dec 2019 19:45 #216409 by Fossie
Replied by Fossie on topic Your opinions
Thanks for the Imput, the info was passed on and we'll start with some catacleaner as it can't harm.
When we know so will you.!

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12 Dec 2019 12:02 #216425 by DrRobin
Replied by DrRobin on topic Your opinions
Is the steering driven from the vacuum? If so, this might indicate an inlet problem. The steering might be a red herring, apparently how heavy it is varies a lot.

I would check the plugs, they will tell if it is rich or lean.

Timing, was it sluggish before the CAM belt was changed?

It could be a brake binding, that might make the steering feel heavy. If you get up to speed, roll the throttle off and push in the clutch does it slow down quickly, like it's been braked?

Only other thing I can think off, it isn't staying in 4x4 is it? I don't know enough about how the vac hubs work to know if this is possible, but that would certainly make it feel heavy.

2011 Blue Jimny SZ3, Xtrons Head Unit, DAB, Front and Rear Cameras, TPMS, K&N, Bosch Aerotwin blades, LED side and interior lights, boot light, parcel shelf. Osram Nightbreakers

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10 Jan 2020 23:37 #217162 by Fossie
Replied by Fossie on topic Your opinions
Some good thoughts here, But for now we went for easy option as she( daughter) lives in the oolu.
Anyway put catacleaner in and tank of fresh petrol and it ran better , but it seems when the tank is full it runs better, but 1/2 tank area back to sluggish.....
If it was a vent problem it would misfire or stall.
Fuel filter? = pressure.

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11 Jan 2020 04:18 #217163 by Lambert
Replied by Lambert on topic Your opinions
The fuel filter is an in tank mesh type and is not given to blocking in the same way as the inline ones do. It's also a tank out job to replace the filter/pump assembly which is as much of a pain as it sounds. Unless someone has randomly fitted an auxiliary inline filter?

Dreadnaught (black 2011)

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11 Jan 2020 09:39 #217168 by CC Baxter
Replied by CC Baxter on topic Your opinions
Is the tank breathing properly? Could be the EVAP cannister, if you can vent the tank with an old fashioned drilled fuel cap ( or some other unmentionable method) that might give you some indication.
Chris

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11 Jan 2020 12:42 #217170 by RainerK
Replied by RainerK on topic Your opinions
Maybe you could try to open the fuel cap every 60 miles for checking if it is an underpressure in the tank.

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