Engine and Transmission

Running on empty: how it harms your car


  1. Posted on October 4th, 2021 by GEM Motoring Assist
  2.   The UK has witnessed scenes within the last week that have not been seen for twenty-one years. Panic buying, queues outside filling stations and frustrated motorists formed the first significant challenge for Tony Blair’s premiership all those years ago. Now, they are back. Yet, motorcar fuel systems have changed, since New Labour was in […]

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E10 petrol and accidental use


  1. Posted on August 17th, 2021 by GEM Motoring Assist
  2. ‘Standard’ 95RON petrol is due to have its bio-ethanol content increased from up to 5% (E5) to up to 10% (E10) from September. If this is news to you, it is worth checking out:   Our 2018 blog that looked at when consultations started about the fuel: https://blog.motoringassist.com/general-motoring/will-new-green-e10-petrol-cost-dear/   You can access a later blog […]

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Faults: Keep calm but don’t carry on


  1. Posted on August 3rd, 2021 by Rob Marshall
  2.   Many people are at a loss when a dashboard warning light appears suddenly. To an extent, this is understandable, because the meaning of many symbols can be far from obvious. Even owner handbooks tend not to be very helpful. Yet, any dashboard warning should not be ignored and, should one appear, it is a […]

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E10 – unless you drive diesel, or fully electric, you will be affected


  1. Posted on July 6th, 2021 by Rob Marshall
  2.     As you may have heard from the mainstream media, E10 petrol is due to hit UK forecourts in September. This will see up 10% ethanol added to regular 95 RON, instead of the present <5% content (E5). In this introductory blog, GEM shall tackle some of the most common questions that our members have […]

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Cat-napper warning for hybrid owners


  1. Posted on July 2nd, 2021 by Rob Marshall
  2. Thieves are profiting handsomely from the high prices of precious metals, employed within catalytic converters to cleanse exhaust gases. As used catalytic converters can have a scrap value of hundreds of pounds, it is easy money for a thief, who can jack up your car, cut up the exhaust system and escape within minutes.   […]

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Call for stricter diesel emissions MOT Tests for illegally tampered diesels


  1. Posted on June 24th, 2021 by Rob Marshall
  2. The Westminster Commission for Road Air Quality (WCRAQ) is calling for the MOT to include a diesel particulate filter (DPF) efficiency test, in a bid to rid UK highways of cars that have had their anti-pollution systems tampered with illegally.   DPF trap carbon particulates, which are known carcinogens, hindering them from being expelled into […]

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Why your car needs a spring break – Part 4  


  1. Posted on April 9th, 2021 by Rob Marshall
  2. In our fourth instalment, looking at how cars suffer from infrequent use and what can be done at service time, Rob Marshall focuses on exhaust emissions that can hit your wallet hard, if they cause a post-lockdown MOT Test failure.   The topic of exhaust emissions is immensely complex. While you can read much on […]

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Why your car needs a spring break – Part 2


  1. Posted on March 24th, 2021 by Rob Marshall
  2. In the second part of investigating how cars suffer from infrequent use, Rob Marshall focuses on engine oil   It seems illogical that low-speed short trips are tougher on many parts of a car than longer commutes but this is especially true with engine oil.   Oil quality is essential to long engine life. Not […]

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Low on fuel? Don’t wait for the warning light – Part 2


  1. Posted on February 3rd, 2021 by Rob Marshall
  2. Following GEM’s earlier blog on the road safety issues associated with low fuel levels (https://blog.motoringassist.com/news/low-on-fuel-dont-wait-for-the-warning-light/), Rob Marshall examines some of the technical implications:   While running a low tank of fuel can make your car more economical, if anything, due to a reduction in weight, it could cost you in the longer term.   One […]

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Lock-down and Diesel Particular Filters (DPF)


  1. Posted on May 5th, 2020 by Rob Marshall
  2. One major problem with internal combustion engine cars is that they experience significant wear if used only for short journeys https://blog.motoringassist.com/car-maintenance/lock-down-should-you-start-your-engine/ This is one reason why buying a car on mileage alone is not a good idea, which explains a car wearing 50,000 miles could have an engine in better condition than one of the same […]

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