Engine revs and loses power when driving. Asked by kaycia May 29, 2009 at 03:07 PM about the 2006 Ford Focus. Question type: Maintenance & Repair. I have had this car in for a fix at two different dealers. When driving at highway speeds the tachometer revs to 5 or 6,000 RPMs car loses power. The first fix was a problem with the cruise control This can result in a decrease in power when accelerating, as the engine is not receiving an adequate amount of fuel. Fuel filter blockage: A blocked fuel filter can prevent clean fuel from reaching the engine, leading to a lack of power when accelerating. This problem may also manifest as engine misfires or stalling. I have a 2005 Mondeo. 2.0 TDI. Sometimes when I am driving and try to accelerate there there seems to be a general lack of acceleration (in fact pretty much none at all). Its as if the clutch has totally gone, but when i switch off the engine and back on again, the problem dissapears and car runs fine. Hi folks I had same problem with my 07 ford expedition bogging down on acceleration, I've changed fuel pump, fuel filter, maf sensor, intake manifold runner control valve, still had bogging down on acceleration but after changing intake manifold runner control valve the cel came on with code po325 which is a knock sensor it sends computer message if it detects a knock and retards the timing so Nice one guys, Been searching for a site like this with answers as i have a mondeo lx 1.8 petrol on a 52 plate and recently i ran the tank dry and so i changed fuel filter and have replaced with new plugs but am still getting loss of power and spluttering on pull of and change of gears, should i now replace coil pack and leads as when i removed the two old middle spark plugs, they were wet Ford Ranger Loss Of Power: Causes & Solutions; Ford Mondeo 2.0 TDCI Engine Problems & Maintenance; Ford F-150 Clicking Noise When Starting; Exhaust Fluid System Fault F250: Top 2 Causes; Ford F-150 Transmission Problems: Causes & Repairs; 3 Ford Explorer Transmission Problems You Should Know; Ford Escort Transmission Problems: Causes & Fixes Many things can cause low-power issue. You might have a partially clogged exhaust (catalytic converter or muffler). This typically causes a situation where the engine runs fine at lower speed, but lacks power at higher RPM. I had a clogged muffler on a Chrysler mini-van (cheap-ass Midas muffler). Ford Mondeo TDCi 2.0L 56 plate - Flashing Glow-plug lamp. Recently - shortly after having the alternator replaced (Genuine Ford part, diagnosed and fitted by Ford dealer) the glowplug light started flashing, and once started it continues until the engine has been switched off and restarted. When it happens there is a loss of power. 5rKB14B.

ford mondeo loss of power when accelerating