starts but cuts out if reved

grahamcairns · Jan 15, 2009

i have a ranger rover 4.0 he with lpg conversion
the other night on the way home the car cut out, i tried to get going again and after about 10 mins i got the car started. i had to travel the 5 miles home about 10 miles per hour,
today i tried to sort the car out, i found the car starts ok but if you touch the throttle pedal it cuts out straight away (in lgp or petrol mode)
i have been told this could be either a blocked cat ( i dont think so as have had this before on other cars ) or a air intake switch, has anybody out there had simalur problems as i am inclined to try a throttle pedal switch.

Tervueren · Jan 16, 2009

Have you had any faults read, could be O2 sensors or the AFM look here,,,,,,,,,,,
Airflow Meters - www.airflowmeters.co.uk

grahamcairns · Jan 16, 2009

i havent had the fault codes read yet ,because i would have to pay £150.00 recovery charge to the gargae and one hours labour so i will try a air flow meter and if that dont work i will then book it in at the garage,
cheers for the advise
if there is any thing i can help with please do email me

gavbriggs · Jan 17, 2009

have you checked the elec connections for corrosion?

grahamcairns · Jan 17, 2009

what connections should i check (the ones on the air meter or the ones on the o2 sensors)
as this problem just happened one night not over a period of time corrosion seems to be out of the question
but thanks for the sugestion all helps

The Mad Hat Man · Jan 17, 2009

loose connection - remove tighten/clean and vaseline any connection you find to do with engine running.

Tervueren · Jan 17, 2009

Try unplugging the maf sensor and see if it runs

ironhorse · Jan 17, 2009

Check for splits on pipes or a pipe thats come away, check air flow meter

grahamcairns · Feb 20, 2009

at long last i have solved by problem. after changing the potentiometer checking all pipes removing cats to check if blocked and cleaning all the air take system i finally purchased a mass air flow meter, plugged the thing in and had the same problem
i refused to let the bastard beat me and sat there trying to start the car for about 10 mins
after nearly giving up and burning the bastard for insurance i fianal got it running
dam i love driving it

gavbriggs · Feb 20, 2009

so what was the problem? it seems the maf didnt help??? loose connection?

starts but cuts out if reved

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