Help! engine cuts out at 1800rpm
Discussion
Help, I had a flat battery earlier this week in my 2000 450 and jump started the car to get home. After half a mile the engine cut out at 1800rpm and restarted after 2-3 seconds. Nursed the car home at 30mph in 4th = 1600rpm!
Swapped the battery as it was knackered and was advised to check the fuel relays in case I had dislodged one whilst jump starting. I pulled out both relays and pushed them back in. I can hear them working when the ingition is first switched on.
I tried to drive to work this morning and all was fine for the first half a mile then it started cutting out again. The strange thing is that when stationary the engine revs without a problem over 1800rpm.
Any clues on what to look at next or should I be taking it into the dealer?
Swapped the battery as it was knackered and was advised to check the fuel relays in case I had dislodged one whilst jump starting. I pulled out both relays and pushed them back in. I can hear them working when the ingition is first switched on.
I tried to drive to work this morning and all was fine for the first half a mile then it started cutting out again. The strange thing is that when stationary the engine revs without a problem over 1800rpm.
Any clues on what to look at next or should I be taking it into the dealer?
I think this is probably wise as I had to scrabble round in the garage to get the battery out and changed. I did try to put everything back in the right place, but who knows I might have dislodged something else.
I called the local dealership and they suggested the coil as it could be breaking down under load (ie a seperate issue and nothing to do with the battery change).
I think a good half hour checking the connections may be in order before I look at the coil
Thanks
Mark
I called the local dealership and they suggested the coil as it could be breaking down under load (ie a seperate issue and nothing to do with the battery change).
I think a good half hour checking the connections may be in order before I look at the coil
Thanks
Mark
I thought of the stepper motor, but belive its cleaned as part of the service and this was only done 8 monhts ago. Would it get that dirty in 8 months and 4,000 miles?
I need to check my breakdown cover when I get home tonight (part of the insurance to see if I'm covered for home start).
Thanks
Mark
Ignore the top part of the post as I have just realised trefor you're advise was for jonmartin!
>> Edited by M-G on Friday 16th January 16:51
I need to check my breakdown cover when I get home tonight (part of the insurance to see if I'm covered for home start).
Thanks
Mark
Ignore the top part of the post as I have just realised trefor you're advise was for jonmartin!
>> Edited by M-G on Friday 16th January 16:51
Ok, I've cleaned the Stepper motor, which wasn't that dirty and checked the fuses and connections. The fuse for the ECU was not pushed in fully so I made sure it was in properly.
went for a run every hopeful, but still the same problem after half a mile.
I switched off and restated and that seems to clear the problem for a minute or so and then it returns.
Should I look at the coil? I noticed a post a while trawling through the archives that the black coils with no makers name on are supposed to cause problems. I have one of these fitted!
went for a run every hopeful, but still the same problem after half a mile.
I switched off and restated and that seems to clear the problem for a minute or so and then it returns.
Should I look at the coil? I noticed a post a while trawling through the archives that the black coils with no makers name on are supposed to cause problems. I have one of these fitted!
Called the RAC last night and they came out to look. The RAC chap suggested it was the airflow meter but had no way of checking as the fault was when moving and not stationary. I took him for a run to demonstate the problem. He confirmed it was an ingintion cut out at 1800 rpm. He had no other suggestions, apart from have it towed to the dealer so they can investigate the problem!
Will get it towed tomorrow and see if they can sort it out.
Will get it towed tomorrow and see if they can sort it out.
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