lmdew Posted December 15, 2015 Share Posted December 15, 2015 I picked up a 2005 Impreza from a coworker and it's going to my brother's better half. Auto 129K Runs nice, but has a low idle, showing 300 RPM on the gauge in D or N. I plan on running some Seafoam through it Changing the Plugs and see what they look like I've added some lucas fuel conditioner and Shell premium Idle control valve? I'm just starting on this one Thanks, Larry Link to comment Share on other sites More sharing options...
Bushwick Posted December 15, 2015 Share Posted December 15, 2015 First, stop adding snake oils hoping it'll magically fix itself. You've been here long enough to know you should do a full tune-up (oil, plugs, wires, fuel filter, air filter, run a tank of premium through it in case gas is old, and reset the battery in case it's had work done, and inspect all vacuum lines). IF after all that it's not running right, then start digging into the idle air valve, etc. What exactly do you think sea foam is going to do to a healthy engine anyways? Other than possibly ruin it? Only non-mechanic types resort to snake oil. Link to comment Share on other sites More sharing options...
Fairtax4me Posted December 15, 2015 Share Posted December 15, 2015 Lucas Injector Cleaner is snake oil? I use that stuff religiously because it just plain works. I use Seafoam all the time as well. Does wonders for rough idle and hard starts. You just cant be an idiot and try to dump the whole bottle in all at once. If that car has electronic throttle control it could be in need of a throttle body cleaning. Link to comment Share on other sites More sharing options...
lmdew Posted December 15, 2015 Author Share Posted December 15, 2015 Yep, I've had good results with both if used correctly. And yes, as I said a tune up is on the schedule as well as a good inspection the engine. Link to comment Share on other sites More sharing options...
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