Engine cough on quick rev occasionally ... why?
Road Master
Joined: Jan 2020
Posts: 856
Likes: 373
From: Duke City, NM
If you change the injectors, go with better parts. I think Moco allows about 14-15 percent variance. There are manufactures/vendors that test and match to much lower tolerances. Look for blueprinted or flow matched injectors.
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Cruiser
Joined: May 2018
Posts: 139
Likes: 45
From: Okanagan, BC
Awesome, thx for that info
Grand HDF Member
Joined: Jan 2012
Posts: 4,459
Likes: 2,893
From: Oklahoma
At 20,000 miles you aren't far from needing plugs. They are relatively cheap (compared to injectors), easy to check and easy to change if needed. Next vacuum leak, also cheap to check. Eliminate the cheap, easy stuff before spending big bucks. Have you ever cleaned the MAP sensor just inside the throttle plate at the 12 o'clock position? It is "conveniently located" to get oil mist on it from the crank case breather tubes.
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Cruiser
Joined: May 2018
Posts: 139
Likes: 45
From: Okanagan, BC
At 20,000 miles you aren't far from needing plugs. They are relatively cheap (compared to injectors), easy to check and easy to change if needed. Next vacuum leak, also cheap to check. Eliminate the cheap, easy stuff before spending big bucks. Have you ever cleaned the MAP sensor just inside the throttle plate at the 12 o'clock position? It is "conveniently located" to get oil mist on it from the crank case breather tubes.
Humm, no I have not cleaned the MAP sensor, I can do that thanks! Yes, will pick up some plugs and change those out at the same time.
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