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Brandon Badley Posted on Feb 12, 2016
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1990 5.7 Chevy starts fine cold runs good but will barley turn over when it's warned up

1 Answer

zeniu17

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  • Expert 62 Answers
  • Posted on Feb 13, 2016
zeniu17
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Joined: Jul 30, 2008
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Could be a bad starter, or connection on the starter. Disconnect the battery negative terminal first, then clean and tighten the starter connections, as well as the connection to starter in the fuse box. Also examine or even replace the starter fuse, as these can sometimes develop resistance.

5 Related Answers

motor1258

Mike Butler

  • 6674 Answers
  • Posted on Apr 20, 2009

SOURCE: Runs 5 minutes then dies. Won't start until engine is cold.

Try the WD-40 spray in intake of throttle body with air intake hose off, to see if it will kick at all, even for a second or 2. We need to confirm whether your losing fuel or spark when it dies. Ignition & fuel, can cause similar symptoms in this case.

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Anonymous

  • 12 Answers
  • Posted on Oct 07, 2009

SOURCE: my 1990 ford ranger when the motor is cold it runs

Could possibly be the temperature sending unit. They tell the computer what the coolant temp is. When the engine is cold, it will richen the air fuel mixture. IT could possibly not be sending the right signal to the computer, thus causing it to run crappy.

HondaCRX

Dan Martin

  • 252 Answers
  • Posted on Jun 22, 2010

SOURCE: problem with cold start and blowing smoke, runs fine after warm

Honda engines (D series imparticularly) run quite smokey on start up. For some reason condensation builds in the exhaust once it has been left (this is assuming the smoke is clearish/white) Occasionally, if it is blue smoke, you might have a leaky oil seal (typically the crank position sensor), but it's no biggy as it's only a few mls of oil per week.

There's no such thing as a tune up. Honda's are controlled by their ECU. As long as your air filter is cleaned regularly, and especially having regular oil changes 6,000miles, it should run +250k miles.

Anonymous

  • 1654 Answers
  • Posted on Apr 09, 2011

SOURCE: 1990 thunderbird sc can be

You need to get the car to a place that has diagnostic equipment so the problem can be pinpointed or you will be throwing a lot of money on peoples guesses. There are too many things that can cause this to try and give you an excact answer. The problem probably lies in the fuel control system and it is getting bad readings from a sensor, but which one I can't tell. The check engine light means it is storing a code that Auto zone can pull for you if you don't want to take it to a shop, but they can misread codes sometimes!

procyon1968

Courtney Christensen

  • 1 Answer
  • Posted on Oct 12, 2015

SOURCE: My 02 accord skipps and pops cranks good when cold but will barley start when warm what is the problem

Its obviously a timing issue

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