JoannR2008

1994 Hyundai Lantra - Is there anybody out there having trouble
starting their engine? This seems to be an intermittent fault, and
doesn’t seem to matter whether the engine is cold or not. I took it
to a mechanic yesterday, who said the computer wouldn’t diagnose a
fault with the "crank angle sensor", but he was sure that what it
would be. He also said it was an expensive part to replace! Has
anyone had any similar problems, and where is this sensor located on
the DOC 1.8 ltr engine? Your thoughts would be appreciated.

Thanking you
JoannR

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hyundaitech

I doubt it's the crank sensor. Normally, the optical-style sensor on this
car has one of two failure modes:

-- Intermittently shuts car off when driving. After sitting a period of
time, the car starts and runs normally.

-- The car stalls never to start again until the crank sensor is replaced.


Since the crank sensor is critical not just for starting but also for the
engine to run, it's not likely to have an intermittent issue that occurs
only when attempting to start.

I'd suspect things like the coolant temperature sensor, which could monkey
with mixture enough during start-up that the engine won't start. After the
engine is actually running, the computer can typically adjust to any
issues.

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chocko

HI Joann, I have a similar problem with an Elantra gls 2000 very random,you
go to start it either hot or cold and it sputters a bit as if it goes to
start then just cranks over...dead! At times I can take the key out lock
the car,then go through unlocking,ingnition,crank and away it goes as if
nothing was ever wrong.There are times when it just wont start...,I wait
wait ...and then mysteriously bang starts up totally normal?????????
Anyone got any clues Txs muchly

chocko

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