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All lights surging while driving

Every light from the head lights, to interior lights, to tail and brake lights surge like strobe lights while driving. Seems to start when the car hits 1400 rpm. any thoughts?

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If were my car i would have the voltage regulator checked first

Posted on Dec 29, 2013

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Posted on Jan 02, 2017

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  • 80 Answers

SOURCE: surging while driving

there is a broken or diconected vacuum pipe, you can listen for air leakage with engine running and hood open, push pipes and note difference, goodluck.

Posted on Aug 02, 2008

  • 5 Answers

SOURCE: S80 engine surge at idle

You could have a bad or contaminated Mass Air Flow (MAF) sensor. You can get a used one online for less then 100. You can also purchase a can of MAF sensor cleaner at a local auto supplies store and clean it. It located right at the air filter housing.

Posted on Aug 11, 2009

  • 11 Answers

SOURCE: 2004 hyundai elantra that surges violently 1000 rpm to 4000 rpm

could be afew things. vacuum leak, one dud HT lead, could be the water temperature sensor, O2 sensor, best to get it checked and get it read for fault codes

Posted on Sep 03, 2009

  • 34 Answers

SOURCE: When I start my 1999 honda CRV it surges to about

no the surge that high is not normal a normal cold start should go to around 1500 then settle slowly to 750 or so but this all depends on engine temp and ambient air temperature

Posted on Feb 07, 2010

  • 1374 Answers

SOURCE: Car idles erratically-surges and revs up and down

First use a scanner and pull the codes out of the computer.
After you do that go to the shop manual and do exactly what it tells you to do to verify the item/items the code/codes are directing you to.Do the necessary repairs and erase the codes.
Surging and irratic idel as you described are due to a worn/dirty "Fast idle Cam Valve". This valve usually can be found on the fire wall somewhere behind air intake plentium.This valve can be easily tested by removing the two small screws that hold the top plate down and squirting a drop of oil into the valve, then relace the top plate and start the vehicle. The surging should disappear.
If it does you have two options a) clean it with gum out and hope it worked.b) replace it Its not that pricey and fairly simple to do. Use the shop manual if you decide to do this. Replacement is the better option.
With regards to the temp. gauge on dash board its either the wiring , the temp sensor its attached to, or the gauge its self.
If it has one wire coming from the temp sensor ,put the key in the ignition turn to on position BUT DON"T start the vehicle . Then ground the wire from the sensor and look at the gauge if it moved to the overheat position the gauge works and the wiring is good . Therefore, the sensor is most likely the culprit. If there is more than one wire coming from that sensor use the shop manual to test the items invovled.
If you still believe the engine isn't getting warm, let it idle for a while and turn on the heater. If your getting heat your ok. To double check it without any fancy equiptment see if the cooling fan comes on. Good luck

Posted on Mar 04, 2010

Testimonial: "Thanks for all your help-very good advice!"

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