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Dealer wanted to clean injectors? #810417 05/08/07 05:07 PM
Joined: Sep 2004
Posts: 100
m_a_b Offline OP
I have a 2002 Montero and went to the dealer the other day to check about a heat shield that came off. In doing that, I mentioned that my gas mileage wasn't very good on my last road trip. The dealer said that at 75k miles, Mitsubishi recommends that the injectors be cleaned. I asked how much that was going to run and they said about 2 hours of labor - so I assume that they are running some kind of additive through the fuel to clean the injectors since 2 hours isn't enough time to actually remove and clean them.

Has anyone ever had this done or know what they use? Does it help? I have heard good things about seafoam, but I am kind of skeptical about how much an additive really helps the problem.

'99 Isuzu Amigo S, 3.2L 4x4 softtop, 3" Calmini Lift, Indy4x Custom Bumpers & Sliders
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Re: Dealer wanted to clean injectors? [Re: m_a_b] #810418 05/09/07 03:46 AM
Joined: Jan 2001
Posts: 13,649
fasteddy Offline
Web Wheeler
While seafoam will do some injector cleaning, I'd hold out til I find somebody to sell you some BG Products BG44K injector cleaner, unless you have the skills to pull the injectors yourself and have them ultrasound cleaned and leak/flow tested, which is by far the preferred method.

I also note that injector cleaning on the truck is a fat profit margin item for a service shop....

Not responsible for advice not taken...
Re: Dealer wanted to clean injectors? [Re: fasteddy] #810419 05/09/07 01:37 PM
Joined: Dec 2000
Posts: 6,896
sparkem Offline
Trail Leader
What was your MPG? What do you usually get?

I just want to tell you both good luck, and we're all counting on you.
Re: Dealer wanted to clean injectors? [Re: sparkem] #810420 05/09/07 02:17 PM
Joined: Sep 2004
Posts: 100
m_a_b Offline OP
well, the incident that I told them about was a 3 hour drive I had taken that weekend down the interstate where I got about 11 mpg. However, on the way back, I got 17 mpg. I used to get about 19-20 mpg on the interstate.

'99 Isuzu Amigo S, 3.2L 4x4 softtop, 3" Calmini Lift, Indy4x Custom Bumpers & Sliders
Re: Dealer wanted to clean injectors? [Re: m_a_b] #810421 05/10/07 04:07 PM
Joined: Feb 2007
Posts: 28
Getting the Wheeling Fever
We use a Motorvac machine at our shop. you hook it up to the fuel lines and it runs off the additive rather than the tank fuel. not sure what they are selling you but this machine also cleans the valves to some extent as well as the combustion chamber. We charge $150 CDN here. I'd probably start with the basics though. Tire pressures, tune up. O2 sensors also affect fuel economy. It is a decent service IMO.

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