Dirty injectors?
08-08-2009, 02:53 AM
#1
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Dirty injectors? When I give my car say half pedal or more and when the rpm's get past about 3 it doen't have a smooth steady rpm gain rate. It's like I can feel the power pick up and the drop off a little, pick up and drop off a lttle. I doesn't buck it's not that hard, but I can definetly tell. Also I don't have any check engine lights showing or stored. About a year ago I had was having a bad misfire and check engine light and had to replace the #7 injector. The filter on the top looked completely clogged. My question is do you think all my injectors are dirty and this is causing my problem, or can you think of something else it may be? Thanks
08-09-2009, 09:13 PM
#3
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If you think its the injectors, run a can of fuel system cleaner through your tank and change out your filter. You might also want to check your fuel pressure to make sure your pump isnt going bad.
08-10-2009, 02:28 PM
#4
"About a year ago I had was having a bad misfire and check engine light and had to replace the #7 injector. The filter on the top looked completely clogged".
If you found 1 hat was clogged, you can bet the rest are on the way.
Time to pull them, and have them cleaned/flow tested.
If you found 1 hat was clogged, you can bet the rest are on the way.
Time to pull them, and have them cleaned/flow tested.
08-10-2009, 04:04 PM
#5
You've gotten pretty good advice so far, with one amendment:
- a can of cleaner though the tank will NOT do a good cleaning. It's great maintenance and will prevent dirty injectors but is not strong enough to clean them.
There are only 3 things to do to properly address really dirty injectors:
1. Do a real cleaning service, where the car actually runs off a separate can of cleaner/gas mixture for a while. Usually have to high idle the car to keep it running (change filter after). I've seen it take several passes through this process to fix an actual problem
2. Remove the injectors and have them cleaned/flowed professionally
3. Replace with new injectors
Since one was clogged, the others probably are/will be also.
After you fix this, replace the filter AT LEAST yearly and run the cleaner through the tank at every oil change or so.
- a can of cleaner though the tank will NOT do a good cleaning. It's great maintenance and will prevent dirty injectors but is not strong enough to clean them.
There are only 3 things to do to properly address really dirty injectors:
1. Do a real cleaning service, where the car actually runs off a separate can of cleaner/gas mixture for a while. Usually have to high idle the car to keep it running (change filter after). I've seen it take several passes through this process to fix an actual problem
2. Remove the injectors and have them cleaned/flowed professionally
3. Replace with new injectors
Since one was clogged, the others probably are/will be also.
After you fix this, replace the filter AT LEAST yearly and run the cleaner through the tank at every oil change or so.
