loss of power | Ask Honest John

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Most recently answered loss of power questions

I have a Ford C-MAX2.0 petrol automatic (2007 model) that has just turned 56,000 miles. I have today experienced a loss of power but managed to limp home at which point an amber light appeared on my dashboard...

Land Rover Freelander power loss

My Land Rover Freelander 2 TD4 suffers from an intermittent lack of power when pulling away from junctions. I've had a new clutch and flywheel fitted, along with EGRE valve and throtle flap motor. The...

Toyota Aygo sudden loss of power

I have a 2006 Toyota Aygo diesel but recently a couple of times I have had a quick sudden loss of power as if something is slipping or cutting out. It only lasts for a second. I also get a slight vibration...

Loss of power in BMW

Recently power is lost when driving my BM3 at around 2000 revs to return normally shortly after. My independent garage diagnosed and fitted faulty air control valve without success. A new diagnostic test...

Loss of power in a Mitsubishi Outlander

Our Outlander occasionally loses power at 60-80mph, no warning lights on dash and problems clears when engine is switched off and back on again. Any ideas please? Many thanks

Ford Focus diesel losing power

I had a problem with the turbo on my Ford Focus 1.6 diesel (2007 model). The bearings failed due to a blocked oil strainer. I went for a refurbished BTN turbo replacement with the full fitting kit (oil...

What's wrong with my C5?

My 2001 Citroen C5 petrol is losing power. It will tick-over find, but once you go above 3000rpm it will struggle. Any ideas?

Why is my Jaguar S-Type losing power?

My 2004 Jaguar S-Type has had a diagnostic test, which has resulted in a list of problems. It all started with a loss of power when driving up hill. I've been told I need two new cats, plus four Lambdas,...

Why is my Fiat 500 losing power?

I own a Fiat 500S with the TwinAir 105PS engine. However, when I accelerate above 4000 revs, the car hits a flat spot in the power band. The power does recover, but the car is hopeless for overtaking and...

Mondeo losing power under acceleration

My 2012 Ford Mondeo (39,000 miles) 140 TDCI is losing power under medium to hard acceleration. When accelerating from 1900rpm onwards the car intermittently dips 100 or so revs, at around 2100-2300rpm,...