Injector cleaner

Submitted: Monday, Mar 06, 2006 at 20:28
ThreadID: 31485 Views:2033 Replies:5 FollowUps:7
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Hi all, whats the best fuel additive to clean the injectors in my 1HZ 80 series? Thanks in advance.
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Reply By: Joe King - Monday, Mar 06, 2006 at 20:42

Monday, Mar 06, 2006 at 20:42
Mudness, My brother in law (Toyota/Mitsubishi head mech) swears by the stuff you buy from Toyota dealers.
AnswerID: 158956

Reply By: Steve M - Monday, Mar 06, 2006 at 22:22

Monday, Mar 06, 2006 at 22:22
The best additive is elbow grease ie if you have a problem, pull them out and have them cleaned.

I have worked for an experimental injector company where everthing was tried including running a 80% additive to 20% fuel and it still made no impression on the injector carbon. (it was a b*tch to get the engine to run) . Admittedly these trials were done using petrol but carbon is carbon.

I can see some additives MAY have an effect on the soft "gunk" but probably not on hard carbon. This may explain some stories of improved running/performance after use.

I have heard if dealers doing "injector cleans" and am led to believe this is done by injecting an additive in each cylinder at a time whilst the engine is running, not into the fuel tank. This may clean the soft stuff or they may force the cleaner in at a higher pressure to clear blockages.

Steve M

AnswerID: 158994

Follow Up By: fisho64 - Monday, Mar 06, 2006 at 23:20

Monday, Mar 06, 2006 at 23:20
your dead right I think steve. If the bloody injectors need cleaning or are due, do them properly. If they arent due or there is no reason to do them, then leave them.
Its not going to fix a leaking or pitted nozzle.
Same with most flushing etc additives. They may make YOU feel better, but are no substitute at all for doing it properly if it is needed.
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Follow Up By: Exploder - Tuesday, Mar 07, 2006 at 20:05

Tuesday, Mar 07, 2006 at 20:05
Well yeah, I have been told by a Fuel injection workshop when I took a car in with blocked injectors, tuned out to be the fuel filter as well so they changed that and said they could pull all 6 injectors and clean them or I could go and buy a $10 bottle of injector cleaner and 90% of the time problem solved.

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Follow Up By: fisho64 - Tuesday, Mar 07, 2006 at 22:13

Tuesday, Mar 07, 2006 at 22:13
If it had blocked injectors how would you even get it started to run the injector cleaner thru it?
If it was a bad fuel filter the crap would have been dust dirt etc. Dont think injector cleaner would do much for that.
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Follow Up By: Exploder - Tuesday, Mar 07, 2006 at 22:34

Tuesday, Mar 07, 2006 at 22:34
They obviously were not 100% blocked.

The car would idle ruff and surge when at speed. Replaced leads and plugs helped but it was still there, Went to a fuel injection place and they changed fuel filter first and it ran better but was still a little ruff, then said he could pull and clean the injectors or I could run some injector cleaner throe with a tank of fuel.

Ran the injector cleaner and within 100k’s it was running smooth agene.
I think you will find most workshops put in a bottle of the stuff at service time anyway.

I put a treatment of RedX throe my car’s fuel tank every 10,000k’s

To say treatments do nothing is a bit broad, have been told by a Auto engineer/ Ex Holden workshop manager/ Ex Race car driver to use Lifter free up before, I like to think the guy has some idea about Engines.
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Follow Up By: fisho64 - Wednesday, Mar 08, 2006 at 22:44

Wednesday, Mar 08, 2006 at 22:44
1; the thread was regarding a diesel, not a petrol engine. Diesel injectors suffer more due to the fact that combustion begins very close to the nozzle where in a petrol engine combustion begins at the plug.

2; the thread was to do with fuel additives I thought.

However I dont think I said they do nothing. I said if they are due for service, or there is reason to think they are due for service there is no substitute for doing it properly.

Who would be happy if QANTAS or the Tassie Ferries just tipped a bottle of something in the tank when they were due for a service or running rough?

you should be aware that most injector cleaners contain an additive to increase the cetane rating and hence increase the power. After it has been diluted through a few tankfulls that effect disappears but you only notice the intial surge of power not the gradual decrease
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Reply By: bucky - Tuesday, Mar 07, 2006 at 05:29

Tuesday, Mar 07, 2006 at 05:29
Happy birthday Russell
Hows the back Mate ?
hehehehehhehehehhehehe
Well done Bill ,, and many many more, it has been a great experience knowing you, and hope to catch up soon

Cheers mate
Bucky
AnswerID: 159023

Follow Up By: Mudness - Tuesday, Mar 07, 2006 at 06:37

Tuesday, Mar 07, 2006 at 06:37
Thanks all, I don't have any obvious problems so I think I'll leave them alone.
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Reply By: Member - RockyOne - Tuesday, Mar 07, 2006 at 09:40

Tuesday, Mar 07, 2006 at 09:40
Oven cleaner ?
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Follow Up By: Member - Bill S (NSW) - Tuesday, Mar 07, 2006 at 20:41

Tuesday, Mar 07, 2006 at 20:41
FITCH
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Reply By: Tim M - Tuesday, Mar 07, 2006 at 21:21

Tuesday, Mar 07, 2006 at 21:21
Hi there Mudness
I have the same rig and have used Wynns EDT (Enviro Deisel Treatment).
Seemed to work fine.
Regards
Tim
AnswerID: 159185

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