Question about 2001 Hyundai Accent
Cold engine runs erraticly. Does not take acceleration. After 1 mile or so it is ok. I changed spark plug, wiring, PCV valve, air filter and did a traitment for the fuel injectors. No change.
It may have low oil and takes some time to build up oil pressure check and make sure u have enough oil.
Posted on Oct 26, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
Here are the more common cause of surges, stalls at stops, slow idle speed, erratic idle, 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
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