WebAug 30, 2011 · Sputters when accelerating, or going up hill. I have a 2002 4.2 with 127k miles. The initial problem was a severe sputter when a load was on the engine. Found a broken spark plug in cyl 1. Changed plugs and air filter 2 months ago. Problem went away, for awhile. It has kinda come back but with less verocity. WebJun 3, 2024 · New set of plugs would be a good place to start for the sputtering. As for the other aspect of performance you find lacking the way to find out is with a few pulls on the dyno and look at the data. Hard to diagnose "feeling" over the internet. Ciao. If you're not living on the edge you're taking up too much space.
Sputtering under first hard acceleration? Ford Focus RS Forum
WebOct 22, 2014 · Same scenario; I rarely rev beyond 2-3K RPM for max fuel economy. Started getting a bucks/clunk on highway, under acceleration at 60 -70 MPH at low REVS. Mechanic changed a plug and was better for a while. CEL flashing once again and throwing P300/ along with 3 associates cylinders. WebJul 26, 2024 · Transmission shudder, jerking, and hesitation. Ok, so here's the story. Quite a while ago, about a year or so our transmission started acting up. The initial gripe was, once and a while, at a stopped position in DRIVE, when the accelerator was pressed, the engine would slightly gain RPM, but move as if it was in 13th gear! cley marshes norfolk wildlife trust
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WebJun 27, 2024 · Main Reasons For Your Ford F150 Sputtering When Accelerating Reason #1 – Leak in the exhaust manifold A leak within the exhaust manifold, responsible for … WebDec 3, 2006 · Plug wires and spark plugs were replaced along with the coils to eliminate this as possible causes. The shudder experienced was exactly as described in the Ford service letter. This seems to be not an uncommon problem with the 94 to 97 Ford transmissions. Shudder accruing under light or moderate acceleration in 3rd or 4th. WebDec 28, 2015 · While accelerating, at about 55 mph the car sputters. If I take my foot off of the accelerator, the sputtering goes away. Recommended Services Engine is misfiring Inspection $94.99 - $114.99 Get a Quote Or For Any Other Auto Repairs Get a Quote Evan Clay Automotive Mechanic 16 years of experience cleyne taefel