2nd Generation Specific 1986-1992 Discussion

engine hard to start when cold

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Old 08-16-2002 | 12:32 AM
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john's Avatar
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ever since i bought my car i have had problems starting the car when its cold, like when i come out at night when its all foggy and cold my engine is really hard to start , but when i come out in the day when its warm and hot it kinda hard to start but not as hard if it was cold, but when i get the engine started and warmed up its starts no problem, anybody got any suggestions on this problem
Old 08-16-2002 | 12:35 AM
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How old is the engine?how many miles? Just curious



C
Old 08-16-2002 | 12:47 AM
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well when i bought the car i was told it had a rebuilt motor with receipts on it, the motor was rebuilt back in 1998 , so im guessing say 50 -60k on it
Old 08-16-2002 | 01:53 AM
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What year is it? How does it drive after you start it?
Old 08-16-2002 | 02:09 AM
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well its a 87 , yeah when warmed up drives no problem, seems fine
Old 08-16-2002 | 03:09 AM
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If it is hard to start you may want to inspect the check valve on the back side of the turbo inlet duct(large tube that comes out of backside of stock air box). If I remember correctly it is the second vacum line(lowest one). The way to check is :remove it from the turbo inlet duct and from the vacum line. Once you have done that you need to blow into it. One side should allow air to pass through(with some force), the other side shouldn't. If both sides allow air through it is bad. When finished remember the side that allows air through needs to go to the turbo inlet duct. the other side should go to the vacum line.
Old 08-16-2002 | 08:51 AM
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You should check the ECU for any trouble codes.
Old 08-16-2002 | 09:55 AM
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thats kinda wierd usually they are hard to start hot, the first place to look is vacuum leaks. mine had 1 3.5 mm hose off and it would flood everytime hot.



mike
Old 08-18-2002 | 11:37 PM
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Originally Posted by j9fd3s' date='Aug 16 2002, 06:55 AM
thats kinda wierd usually they are hard to start hot, the first place to look is vacuum leaks. mine had 1 3.5 mm hose off and it would flood everytime hot.



mike
A bad water thermosensor could make the car hard to start cold. It would also run poorly until it warms up.
Old 08-19-2002 | 02:35 PM
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where is the water thermosensor located



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