Question about 2002 Mazda Protege

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Ticking under the hood.

There is a repetitive ticking noise coming from under my hood. It's most prominent when I idle, and stops immediately when I step on the accelorator. My gas mileage has dropped by at least 20 miles to a tankk of gas since this began.

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  • mike watson
    mike watson May 11, 2010

    how many miles are on the car and have you had the timming belt changed?

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I kind of had the same problem with my car, the dealer kept saying it was nothing wrong with the vehicle and that the ticking noise would fix itself electronically. Wrong, it was my valves needed adjustment and that ticking noise was never going to be fixed electronically.

Posted on Sep 01, 2008

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1 Answer

Battery is dead and ticking noise is coming from under the hood.


have you recharged battery ? and are there any codes coming up on OBD ? possible it's a power relay (ticking),when you open door your lowering power needed for interior lights .

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My 95 tahoe has an occasional ticking noise, loss of oil pressure at idle and loss of power


Prognosis is really bad, hate to tell you. Ticking comes from the valve lifters, losing lubrication due to lack of pressure and running dry. At redlights, when revs are at idle, oil pressure drops a lot, and engine really suffers. Have the vehicle taken immediately to a shop for proper diagnose and to see if engine can still be saved. The loss of power comes from the valves not actuating properly. Hydraulic lifters need oil at a decent pressure to "charge" , and if not charged, they will stay compressed, ruining valve lifting operation.

Apr 05, 2012 | 1995 Chevrolet Tahoe

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Ticking noise heard in the car- not under the hood- even when the car is not on


Have you checked your relays? Make sure it is not coming from your engine.

Mar 08, 2011 | 2011 Cadillac SRX

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Car won't start and makes a ticking noise


CHECK IF TURN SIGNALS WORK, USUALLY ON GM CARS IF A BULB IS BURNED IT WILL TICK FASTER, IT IS AN INDUCATION OF BURNT BULB - COULD BE FRONT OR REAR

May 19, 2010 | 1999 Chevrolet Cavalier

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My truck has a loud ticking noise inside the dash and under the hood. The truck continues to loose battery power when sitting as well. The ticking continues even when I remove the keys


First, I would have a dealer run the Vin# for your truck for the Cruise Control recall. If the recall was not performed it needs to be done. Unfortunately after some of the earlier recalls were done, people had problems with the 4x4 controls and brake lights.
If you can identify the Cruise Control and there is an add-on fuse disconnect the fuse and see if the ticking goes away.

In your case I would spend a little time to save money and use your hands to find the ticking relay.
Your fuse block should be under the dash or behind a kick panel. You will see some oblong or square relays. Feel them and unplug the ones that are ticking. Keep track of their position.

Under the hood are some black power boxes filled with relays and fuses. Do the same "Feel" test on them. When you unplug the "problem" relay the ticking noise will stop. Then the problem area will not work and you can investigate the equipment on that branch. Be it power windows, wiper delay, A/C,
power seat, and so on.

If you have a Diesel your Glowplugs have a timer which is very loud and should stop in less than 90 seconds. It definitely pulls power. Do a "feel" test on it. Your glowplug wires will lead you to it.

Apr 22, 2010 | 2000 Ford F250 Super Duty Crew Cabs

1 Answer

Ticking noise coming from engine


Ok, i find it very hard to believe that this car came from the factory with an unset valve assembly and, i don't believe that it would have been delivered to the dealership with some bad injectors. I agree. this car smells like lemon pie and i would seriously think about practicing your states lemon laws. This car was dead on arrival unfortunately. there is nothing normal about a ticking sound coming form under the hood of a new car. I work on Lexus's and I've never herd any kind of ticking that was considered to be normal. Your intuitions are correct. i would return this vehicle immediately. I must say, if the ticking sound is very low range and is coming from the injector areas, this is normal but, if its very noticeable, its not.

Please rate and god bless.

Mar 26, 2009 | 2007 Lexus IS 250

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