Question about 2000 Renault 181
I have changed water pump and cambelt once i put car back to gether it will start ok and run untill i rev it and as soon as the revs drop back down it cuts out
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Posted on Jan 02, 2017
From your description this appears to be a Brake servo issue.
The brakes are assisted by a vacuum created from the draw off the inlet manifold, it gives assistance too the brake pedal pressure by a large tank/cylinder mounted on the Bulkhead/firewall.
I feel that the sound you a hearing is air being draw into the Brake Servo from the foot pedal seal and the reason for fluctuation in the engine is the vacuum from the inlet manifold is being upset.
Attention I suspect should be addressed to the Brake servo/pedal seal or gaitor.
I hope this clarifies your thoughts?
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Posted on Jan 22, 2009
my trafic did the same.no power pulling away until the turbo kicked in and it turned out to be the airflow meter.Hope this helps as it cured mine.Plus non of them rev past 3800 revs its normal.
Posted on May 26, 2009
Here is the common cause of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake
Posted on Jun 18, 2009
this exact problem on a megane coupe is caused by a small air pipe that connects to a 2 inch wide black box that is located under the bonnet near the windscreen on the passangers side. the zigzag light indicates an electrical fault (in this case lack of compression and will affect your revs) if you find this pipe and it has snapped off. the reason for this may be that your engien is lose and moves. grab the engien with 2 hands and see if you can wobble it with allot of play. if so your engien mountings need replaceing. you may also experiance juddering in low gears
Posted on Mar 04, 2010
i was told i needed a new fuel pump relay for my renault megane but when i put in the new one it only worked for a few minutes. the only way i can get my car to work now is by inserting some wire into two points on the relay bos and bypassissing the cut off device.any suggestions?
Posted on Mar 31, 2010
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