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Jimny 1999 just wont rev up

Kirk6866
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09 May 2022 06:51 #243272 by Kirk6866

Replied by Kirk6866 on topic Jimny 1999 just wont rev up

I have changed the injectors and the throttle body still no luck

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Scimike
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09 May 2022 07:24 #243274 by Scimike

Replied by Scimike on topic Jimny 1999 just wont rev up

Ok, at least you can exclude them.
Not much left and yes its possible a sensor, typically the cam sensor, but others are possible MFA etcl.
Looking at your list sensors appear to be the only items not changed.

OK some other simple suggestions:
Compression test and they are all the same?
Intake tubing / system not blocked.

Anyone have any other suggestions?

Yokohama Geolanders, Sony head unit, NAUTILUS Air Horn, DRL conversion, Rear cargo space, Elvis Bobblehead, transfer Guard, Indian hanging Elephant, Koni Heavy track dampers, Custom SS exhaust, Voodoo Doll, Adventure Rack with LED ight bar, vintage ERIBA caravan usually attached (yes it's slow)

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Lambert
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The quickest Jimny in Harrogate...(that I own)

09 May 2022 11:59 #243277 by Lambert

Replied by Lambert on topic Jimny 1999 just wont rev up

One thought, is the cam belt timed correctly? Easy enough to take the front cover off the motor and check the timing marks line up correctly.

Temeraire (2018 quasar grey automatic)
One of the last 200ish of the gen3s, probably.
Bellerophon (2024 grello van daily
ADOS Attention Deficit Ooooh Shiny!

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DrRobin
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09 May 2022 12:45 #243281 by DrRobin

Replied by DrRobin on topic Jimny 1999 just wont rev up

What do the plugs look like?

When you drained the tank did you flush the fuel system through? There might be water sitting somewhere which is causing fuel flow.

Always assuming it doesn't have a misfire or timing, another cause of an engine not revving is heavily choked. Have you got an OBD reader or any other way of looking at the fuel trim?

When you take a plug out does it smell of pertrol or does the exhaust smell of unburnt fuel?

2020 blue SZ5 (one of the last to be registered in the UK)
Ex 2011 Blue Jimny SZ4
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Kirk6866
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11 May 2022 07:11 #243294 by Kirk6866

Replied by Kirk6866 on topic Jimny 1999 just wont rev up

bottom pully has been loose snapped bolt in front of crank worn keyway timming way out

changing engine

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Lambert
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The quickest Jimny in Harrogate...(that I own)

11 May 2022 11:53 #243296 by Lambert

Replied by Lambert on topic Jimny 1999 just wont rev up

That would do it.

Temeraire (2018 quasar grey automatic)
One of the last 200ish of the gen3s, probably.
Bellerophon (2024 grello van daily
ADOS Attention Deficit Ooooh Shiny!

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Jimny 1999 just wont rev up

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