November 12, 20169 yr Help ..... So I bought my car drove perfect the day I bought it. Next day the car started fine ticked over normal drove the car fine until I tryed to go over 3000rpm bad hesitation loss of power so I kept it under 3000rpm and I got it home. Left it till the next day drove perfect for 60 mile but started to hesitate at 3000rpm rpm so again I got it home. I have disconnected all the air hoses and refitted them Removed and cleaned the maf Car still runs badly! !!! Wot next ???
November 12, 20169 yr is the maf faulty by any chance? and did you check the intercooler hose aswell?
November 12, 20169 yr If it's a classic you can perform a ecu diagnostic check for any fault codes if they've popped up. I'll add the link to the guide soon
November 13, 20169 yr Where did you buy it from? Any notes from prev owners? If from somewhere like eBay I heard in a situation like this it's better than buying from classifieds like gumtree. Can try disconnecting - of battery for an hour then starting it with nothing on , not steering/touching anything to let it 'learn' Sent from my iPad using Tapatalk
November 13, 20169 yr Sounds like my car when it had ringland failure. You a 2ltr tho so I would prob think it's your maf try unplugging it then give it a run Sent from my Nokia 3310 using Tapatalk
November 13, 20169 yr Well it just seamed to drive fine till about 3k and it just would just go flat like I had a massive boost leak or something Sent from my Nokia 3310 using Tapatalk
November 20, 20169 yr Author I done a manual diagnostic it's flashing 32 witch is lambda or oxygen sensor would any of these cause the car to hesitate after 3k revs? ?
November 20, 20169 yr If it's misfiring, it could cause that code , the 02 sensor reading would be rich due to the unburnt fuel . When was the last time the spark plugs were changed ? As it could be a weak spark on 1 of the cylinders.
November 22, 20169 yr On a Nissan was sort of the same, on idle you could hear the fuel continuously being adjusted. Took 3 different cleaners to the maf to fix it, intake cleaners, electrical cleaners etc. Think what finally fixed it was taking off the maf, spraying it with Wynns EGR cleaner and letting it air dry. Sent from my iPhone using Tapatalk
November 22, 20169 yr I think the code on that was one saying too lean even though it was rich (obd2) it kept trying to take fuel away but it maxed the tolerance and couldn't take enough away. Sent from my iPhone using Tapatalk
November 23, 20169 yr Try unplugging the maf it will throw a code but just see how it runs Sent from my Nokia 3310 using Tapatalk
November 23, 20169 yr Author Runs worse with maf unplugged... code is saying lambda sensor...looks like previous owner had a problem with it as the one on mine has been welded in for some reason
November 24, 20169 yr Hmm not good sounds like you need a new lambda has it been moved atall or isit still in the stock location ? Sent from my Nokia 3310 using Tapatalk
November 24, 20169 yr Author It's still in its same location I'm unsure why it has been welded in possible the previous owner messed the thread up and welded it I'm thinking about changing that section of exauste to save me cutting it out
November 24, 20169 yr Author Yea it still has a cat mate I had a closer look at the lambda sensor tonight it's not welded in plus the wires arenot connected I duno why this is but I suspect that this is my problem
November 24, 20169 yr Plug it in, see if it runs alright. If not, check wire colours are joined up where they need to be, if you need a wide band etc. Then if still bad, try unplugging MAF with lambda plugged in Sent from my iPhone using Tapatalk
November 25, 20169 yr Maybe check the plugs can tell a lot about the health i.e. Running rich could point more to a bad o2 sensor. Good luck mate took me ages to sort mine.
November 27, 20169 yr Only reason I said to check wire colours is when I got mine the light was on, went to a garage to change it but turned out one of the previous owners changed it, the connector was the same but the wires were the other way round! So had to force the connector in upside down Sent from my iPad using Tapatalk
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