Ask Honest John

Most recently answered obd questions
My Toyota Proace is not used very often resulting in the battery draining down. Will a solar powered trickle charger keep the battery topped up? I am considering a model with EOPD plug as i understand...
I own a Jaguar XE 180 2.0 diesel with an Ingenium engine which has done only 53k miles. For the third time in six months a message is displayed "Incorrect diesel Fluid Quality Detected" so I take it to...
Can the 'Eco-Chip' fuel saving device plugged into the OBD2 socket cause damage to vehicle systems, including PHEVs?
Are there any cheap fault code readers that do not need the ignition to be on? As my fault locks out the push button start on my Mazda 6 so I cannot switch the ignition on to power up the standard code...
 

Value my car

Save £75 on Warranty using code HJ75

with MotorEasy

Get a warranty quote

Save 12% on GAP Insurance

Use HJ21 to save on an ALA policy

See offer