2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Still Hard starting

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Old Jun 21, 2008 | 08:54 AM
  #1  
rotorymanincraig's Avatar
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90 rx7 convertable
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From: Minot ND
Still Hard starting

Ok so I got my injectors cleaned last week and put them in the car yesterday. The car started right up, but now its trying to start but wont until I floor it. Could there just be a sensor or something thats out of adjustment? I would imagine that my TPS is out of whack because I have never done anything with it. Am I on the right track? Thanks in advance.
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Old Jun 21, 2008 | 10:39 AM
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Aaron Cake's Avatar
Engine, Not Motor
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When is the last time the car had a full tuneup? Plugs, wires, etc?

Does it make decent compression?

A sensor to check is the ECT. If it's reading wrong, then the cold start enrichment won't be correct.
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Old Jun 23, 2008 | 11:32 AM
  #3  
rotorymanincraig's Avatar
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90 rx7 convertable
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From: Minot ND
Well I replaced the plugs two weeks ago. I am getting spark. It seems to be loading up really bad. I have to deflood to get it to start. It's hard to start hot or cold. Once I do get it started it idles fine and runs smooth, but also seems to be lacking in power a little. I haven't compression tested it yet but I will try that and see if it is bad.
Also what is the ECT and where might I find it?
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Old Jun 24, 2008 | 09:51 AM
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Aaron Cake's Avatar
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From: London, Ontario, Canada
ECT = Engine Coolant Temp sensor. Check the FSM.

Low compression will cause hard starting, so before spinning your wheels looking for other causes, check compression.

Another common issue is leaking fuel injectors. They may need to be removed and professionally cleaned.
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Old Jun 24, 2008 | 02:26 PM
  #5  
rotorymanincraig's Avatar
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90 rx7 convertable
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Just had them cleaned professionally. I will try those things then.
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