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Pinging noise on starting gas engine but noise reduces when engine gets warm

At times when i accelerate slowly i hear the pinging noise also

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What gas does a 1992 Mazda use?

would depend on the model

If you don't hear knocking (pinging or grinding combustion) from the engine when you jump on the accelerator you can just use regular gas. If you do hear those noises then you need to move up to a higher octane (slower burning) fuel.

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Will not accelerate

Any warning light's lit on the instrument cluster ? Check engine , reduced engine power etc...

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1988 Toyota Camry LE clicking noise during acceleration

start with premium gas or injector cleaner, could be a low octane ping. this may be hard to diagnose with out hearing the noise so the other thing i would have you do is remove the belts and run the engine. sometimes when a bearing in an alternator, idler pulley, a/c compressor or belt tensioner goes bad they can make a clicking noise. try to listen if the noise is coming from the belt area, the transmission area or some other spot. spin all the pulleys with the engine off and wiggle them to see if any are bad

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2 Answers

While going 40 -50 mph and then accelerating enough to kick in the passing gear the engine makes a rattling clacking like sound, its a 4.6 ltr v-8

It sounds like the engine is "pinging" as you are speeding up. If so, this is often caused by plugged EGR passages at the intake elbow or a non-functioning EGR valve. The EGR valve allows a small amount of exhaust gasses back into the intake manifold to slow and cool the combustion down slightly to prevent the fuel from burning too fast [which we hear as a pinging sound] and it helps reduce emissions at the tailpipe. When the valve quits working or the passages get blocked the pinging sound will be heard when accelerating or at higher speeds & heavier loads. Pinging is not good for an engine and should be checked out as soon as possible. A quick test drive with a good service tech should quickly narrow down the cause of the noise. Hope this helps and good luck!

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2 Answers

Can an 2005 acura run safely on regular gas

The only reason to run higher octane fuels to to reduce the chance of (engine ping) or (engine knock).Try the regular gas(dont completely fill car) and take notice under hard acceleration if engine makes a pinging noise.If pinging happens then add some high octane gas to compensate for regular.Unless this is a modified engine the regular gas will not do any damage it will result in pinging and loss of fuel milelage.

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1 Answer

When my 2002 Windstar is warmed up it starts pinging when accelerating especially going up an incline. I was told there is plug I can unplug which changes the timing by 2 degree's

Timing is only one of many causes of "pinging".
Before altering the factory setting or connections, please do each of the following:
1. Change your oil and filter.
2. Add fuel system cleaner to your gas tank.
3. Spray fuel injector cleaner into your air intake (after the air filter) while the engine is running. (Do this slowly enough to not stall the engine.)
4. If you use "off-brand" gas, consider adding a $1.00 bottle of Octane Booster - from the Dollar Store.

I suspect that one of the above will correct the problem. If the Octane Booster corrects the problem, then you do have a timing problem (too far advanced). Take it to the Ford dealer and ask if they have a Service Bulletin on the engine due to pinging - and ask how they would alter the timing. Then either do it yourself or pay them a pre-agreed amount to ****** the timing 2 degrees (no more!!)

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2008 Toyota Tacoma Engine Noise

try running premium gas if it goes away, if not have them check the valve clearance.

May 15, 2009 | 2008 Toyota Tacoma

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Fluttering noise in engine while accelerating at a fast rate

I believe you may be referring to 'pinging', Try a tank of premium gas and see if it stops. Check your timing, and when was it last tuned? Let me know what u find. countrycurt0

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1 Answer

Engine has pinging sound when warms up....

When does this noise occur? During idle or acceleration? Is the vehicle warmed up? Is the check engine light on? Are there any codes stored in memory? Was anything done as a repair prior to the noise starting? How many miles is on the unit?

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