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Toyota petrol engine hard start when engine is cold?

Plugs are changed ,new starter motor,new battery does nt give problems when it heats up.

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What year? some engines have a"cold start injector" in the intake manifold. find it , check it , replace it and the fuel filter. also check fuel pressure, a weak or bad fuel pump may be the problem

Posted on Apr 01, 2014

Testimonial: "Thanks a week fuel pump and a lose cold start sensor were the cause."

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Posted on Jan 02, 2017

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SOURCE: Hard starting hot or cold. Battery and starter are fine.

check fuel pump relay/should run pump for two sec when key is turned on. try turning key on but dont crank did pump hum/if it did look towards leaky fuel inj./faulty pressure reg. poss clogged fuel filt.

Posted on Nov 17, 2008

  • 1 Answer


idle air control valve is going bad

Posted on Jan 19, 2009

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SOURCE: How do I change the starter in a 2000 Toyota Camry LE

i'm sure it's not the starter itself that is the problem, have the stater's solenoid might be stucked. It's quite a lot of work removing the starter but you can do it if you are willing enough to learn. You just need the right idea and tools to do it. Hope this will help save you bucks!

Posted on Aug 10, 2009

  • 2 Answers

SOURCE: 87 'C' Class motorhome powered by a ford 460

I had same problem in varius trucks and motorhomes with the same engine size (460)and this is caused by excesive heat from the engine in all 460's,when hot if I stoped at a gas station to fill,once I tryed to start it again it felt like the battery was almost dead and bearly turned the engine over.what I did was that I added an after market engine oil cooler and that fixed the problem.

Posted on Oct 06, 2009

  • 770 Answers

SOURCE: My 1996 model Toyota Landcruiser is giving me starting problem

Your diesel land cruiser has a separate glow plug for each cylinder. Their function is to pre heat a swirl chamber prior to injecting fuel into the cylinder. Since you have no spark on a diesel, your combustion comes from superheated fuel and high compression...for you vehicle I believe the compression ratio is 21.6:1 as compared to 8.0:1 for a gasoline model. If you are not getting combustion readily, then either the glow plugs are not getting the fuel preheated properly before starting, or your compression is low. I would tend to believe it is a glow plug issue since they only stay on for a second. Good Luck! I hope you find this to be very helpful!

Posted on Jan 24, 2010

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My Vauxhall (Opel) Zafira 2004 1.8 liter 16V Petrol Auto
had COLD START problem; cold engine does not start no
matter what! I have changed the following parts, one after
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Faizur Rahman <>

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