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best way is to buy the correct maf cleaner, NOT electrical cleaner or any other that leaves a film else will make it worse!

looks like it maybe alarm siren? black box they sit in that area

once again data i agree the maf provides information as to how much air is being drawn into the engine yes for egr and also for fueling!!!!!! i know everyone is entilted to there opinions but if you actually google the purpose of a maf in a diesel even the patents listed show the information...

but with a faulty maf slow no power or top end etc unplug it, ecu sets default value and runs better, new maf all is well power fuel economy etc ahhh i think we can finally agree we are reading from the same page!!!!!:clap2:

if he will sell you the bit then bonus personally i wouldnt risk trying to remove it, the reason why yours and many others are like it is the plastic becomes brittle with age due to heat and really doesnt take much to snap it. as i said rather annoying and expensive when you have to replace the...

data i agree with you, apart from i think if i read what you have written correctly that a diesel will run ok with a faulty maf apart from emissions and fuel consumption? never seen a diesel with a faulty maf that does run ok!

it is the pcv valve (positive crankcase ventilation) and allows the engine to breath correctly from the sump up and around the engine allowing excess to return through the inlet tract. this is the reason you get oil in your intercooler and pipes but is an absolutely vital piece of kit. the...

the becm is located under the drivers seat

also dont think you have description of egr correct as it does not open at idle would make it idle like a bag of spanners also does not open under full throttle would make it flat as a pancake. egr is there to reduce combustion temps to reduce nox emissions. nothing else. it should only really...

well aware range rovers with the m51 never came with a throttle cable. i was merely describing how early egr equipped vehicles were in comparison to later set ups. for example rover 220sdi with l series diesel engines had egr and maf and mechanical pump with throttle cable and no edc maf...

i know that effectively the m51 is still a mechanical pump with electronic control. my post about the first maf egr equipped vehicles having mechanical pumps and not electronic meant they had a throttle cable and not electronic control so the maf sole purpose was to control egr as fuelling...

as alan c said engine compartment fuse box relays check there first most likely to be a knackered fusebox very common and the first signs it is on its way out!

i have hid lights in mine passed mot no problems beam patterns fine wipers work etc they were on it when i bought it yes i get the bulb failure warnings when i turn them on but they only do it once when they are first switched on and then go away untill it is turned off and key removed. takes...

and no faulty maf doesnt show up on diagnostics

still say it is maf and not egr, infact i would put money on it! some of the very first egr maf equipped diesels i know had the maf to control egr as they still had mechanical injection pumps and manifold pressure sensor. but when electronic pumps came in and ever tighter emission controls the...

got to disagree with you wammers. it is a faulty air flow meter seen it thousands of times. very easy to prove leave the vac pipe of the egr so disable it even better blank it. a word of advice only fit oem air flow meters do not fit cheap pattern parts as they are junk!!!

As it has an egr valve I would guess its a late rangie and would have an air flow meter. Turbo should come in at just under 2000rpm and yes I know this as I have proven this with a Boost pressure guage. The symptoms you describe are of a failed air flow meter will be flat as a pancake with no...

all fairly simple stuff get yourself a multimeter!!! heated seat will be the element can be repaired easily just time consuming to strip the seat usually just a break in the wire plenty of threads around on how to do it did my last p38 and will be after my next shift doing my new p38! srs check...

in reply to problems plugging in to diagnostics and not getting communication with some ecu i had this problem with my first p38 and traced the fault to a corroded splice in the wiring loom in an apparently quite common place so i was told after finding it! if you remove the trim in the drivers...

if you have to hit the starter motor to get it to start its a new starter! simple test remove the push on wire from the starter solenoid connect a multimeter on volts and get someone to hold the key in the start/crank position see if you get 12volts if you do sounds like a starter motor