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Jimny "Hiccups" in Idle

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27 Feb 2016 15:53 #163052 by facade
Replied by facade on topic Jimny "Hiccups" in Idle
Full tank = full can, half a tank = half a can, seems right to me- it will be the same concentration ;)

I probably didn't believe strongly enough, or I don't have a problem with clogged injectors, and as Rhinoman says it is a design feature. Maybe I'm just hypersensitive to the odd vibration, I feel it, there is nothing to hear.


I'll see how it goes now, there is 100 miles of treated fuel left to clean something out.

If it suddenly breaks, go back to the last thing that you did before it broke and start looking there :)

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27 Feb 2016 17:51 #163055 by Rhinoman
Replied by Rhinoman on topic Jimny "Hiccups" in Idle
if the problem was a clogged injector then you would have real problems under load - you need very little fuel at idle.

Some Suzukis and a bunch of motorcycles.

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  • Ray8891
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07 Feb 2018 12:28 #189156 by Ray8891
Replied by Ray8891 on topic Jimny "Hiccups" in Idle
Hi
You may just disconnect the big black air intake hose above the throttle body. When the engine is warm, spray good amount of foam cleaner onto the throttle plate, both front and back, as well as into the small hole (located on the inner wall close to the throttle plate). This small hole allows you to reach into the IAC and lube it without taking it apart. Let it sit for 5min and then take a 30min drive. You will notice the difference. Just a 15min work. Don’t have to take it to the mechanic for replacement of other parts that are working but considered relevant to this issue. Good luck!

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  • mike83
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09 Feb 2018 16:20 #189209 by mike83
Replied by mike83 on topic Jimny "Hiccups" in Idle
Mine wobbles on idle using 95 but doesn't using 97 petrol. My plugs and valvles are all spot on so I believe its fuel. Don't think our jap friends even have 95 at the pumps??

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  • dean
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03 Sep 2018 13:38 #195671 by dean
Replied by dean on topic Jimny "Hiccups" in Idle
I bought BG 44K® on eBay and I put it to full tank on my gas station. It worked. But when my tank was empty I refilled my Jimny to full and the issue came back again. Does anyone has a real fix for this engine problem?

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11 May 2024 19:43 #255924 by Toxteth OGrady
I bought some BG44K because our Jimny had the same issue. Almost instant results! Now idle is steady and quiet.
Thank you.

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15 May 2024 13:05 #255960 by JAGtheman
Replied by JAGtheman on topic Jimny "Hiccups" in Idle
Guys... I started a thread a while back as I had a similar situation, but the small differences were that the hiccups were limited to cold weather, dissapeared when the engine was warm, and often caused the EML to come on. This is what I did:
Ran 2 tanks of STP cleaner through the system
Result: hiccups less, but not gone.
Replaced the ignition leads and coils with EXPENSIVE ones.
Replaced sparkplugs with normal ones
Result: even worse.
Solution: aggressively cleaned out the white grease that I found inside the leads and coils
Result: Hefty hiccups gone, back to slight hiccups
Sent vehicle in for testing when cold
Result: slight misfiring detected (my ebay engine management detector did not find this)
Ran 2 full tanks of fuel with STP fuel system cleaner doing long runs to quickly (!) deplete the tank
Result: hiccups gone for a while then returned
Cleaned the ignition leads and coils again (found slight traces of grease that I swore I had removed)
Sent the vehicle in to have the engine flushed with some form of carbon remover.

OMG what a difference... the vehicle runs like there is syrup powering it. I actually cannot believe the difference.

So what worked?.. I believe it was a combination of everything I did. Anyway, I have been away for 3 weeks so hopefully it is still as smooth as silk when I return to the UK. (It has 150k miles on the clock, 2008 Gen 3)

Julian
2008 Gen 3 Manual
Being completely revitalised
The following user(s) said Thank You: GandHisJimny

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15 May 2024 13:08 #255961 by JAGtheman
Replied by JAGtheman on topic Jimny "Hiccups" in Idle
why STP and not BG44K - very technical and scientific reason for that...... when I was around 16 I had STP stickers on my skateboard and thought they were super cool.. so advertising works I guess (I am now the wrong side of 65 and would break my neck if I tried to skateboard)

Julian
2008 Gen 3 Manual
Being completely revitalised

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