Question about 1997 Honda Civic

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My rpm gauge is red lining on my dash board

My rmp guage is red lining on my dash board while im driving, even at 50 mls/hour it will shoot up and red line but my engine sounds fine

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The tac lead is grounding somewhere possibly the distrib

Posted on Jun 13, 2014

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The rpm signal comes from the ignition module, since that is related to the engine speed, that you said is fine, most likely the dashboard gage is acting up, could be a nussainse but, wouldn't afect anything else, of course if bothers you need to replace the whole thing since I'm pretty sure it's not serviceable.

Posted on Jun 05, 2014


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Posted on Jan 02, 2017

Mr BrokRench
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SOURCE: driving with air on gauge

Did you flush the radiator when you replaced thermostat too? Sounds like it's clogged and the coolant is not circulating as it should. It probably needs to be rodded out or replaced by now.
Check your cooling fans for proper operation. Make sure the outside of the radiator & condensor are clean, and not full of bugs & debris...I hope this helps.

Posted on Aug 06, 2011

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SOURCE: just replace 3 liter vtec

  • P0335 is a Crankshaft sensor which is located behind the crank pulley a bit and down. Pull the connector and replace it. This basally helps the computer to direct the firing based on the positions of the pistons. Of course you want to check the connections on this and make sure it looks good before replacing it.

  • The P0135 is the bank 1 sensor 1 Oxygen Sensor. They don't work right until they reach somewhere around 600 degrees and if they don't reach that temperature they don't function. Then your fuel/air ratios is off. Bank 1 Sensor 1 is the first sensor running off the exhaust on the same side as cylinder 1.

  • The 3.0 1996 Honda firing order is indicated by the diagram I uploaded below.


  • Based on the diagram the first Oxygen Sensor off cylinder 1 needs to possibly be replaced. Check to make sure the connections are nice and tight and not corroded.

  • After replacing an engine I always like to put new sensors in (like the Crankshaft Position Sensor) while it is sitting in front of me to avoid the getting to them after installation.

  • If you have any comments please feel free to leave them here.
  • Hope this helps and thank you for using FixYa.

Regards, Tony

Posted on Sep 02, 2011

  • 279 Answers

SOURCE: my 97 accord would only go 30 miles per hour but the rpm s were going to the red line. the engine was reving on it's own. what could be wrong

The problem is in your transmission [automatic transmission] or clutch [standard transmission] Check the level of the fluid in an automatic transmission. Check for proper free play in the clutch of a manual transmission.

Posted on Dec 02, 2011

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