Question about Ford Cars & Trucks
When accellarating i get a slight rattle when at low revs but dissappears soon as i reach speed
The rattling noise most likely will be detonation. That is spontanious combustion before the spark occurs. causes vary but wrong octaine rating is one reason ,spark timing another.if you have an efi car it could be at the timing sensor. or a distributor car the saprk advance is wrong. Some efi engines can't adjust to hot weather to well so the fuel setting go out. however be aware that you have to have this checked out as it can still occur at higher revs it is just that you can't hear it. End result will be holes melted in the top of the pistons
Posted on Jan 09, 2013
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Posted on Jan 02, 2017
SOURCE: My Peugeot 206 has a rattle
Sound like pre-ignition problem. pre-ignition is caused by running too low an octan fuel in the engine. The way octane works is simply the lower the number the faster the burn. If the fuel burns before the piston gets to the proper position in the cylinder it can cause what is call in the industry a ping. The remedy is to use a highert slower buning octane fuel or change the ignition timing. Mind you some engines with higher compression may not like the lower octane fuel even after adjusting the timing.
Posted on May 05, 2009
First thing i would try...... ISOHEET, Red bottle..... allows water to be mixed into the fuel and be burnt out of the tank.
get a good qaulity fuel injection cleaner, if you can locate the brand MALCO, i found it quite succesful..... and go with a full tank of premium fuel such as ammoco or shell......do not use yellow bottle of heet
Posted on Jan 22, 2010
Testimonial: "Might be water in the tank?"
SOURCE: rattle when accelerating
had the same issue, had someone look and it seems the noise was caused by heat shield being loose covering exhaust system. Have that checked out.
Posted on Feb 07, 2009
SOURCE: 04 Endeavor rattling noise
I had the same problem! I crawled underneath the car and discovered that a heat shield on the exhaust header pipe was corroded and rattling against the exhaust pipe. (Before the muffler)
I removed the portion and clamps and solved the problem. Give it a try.
Posted on Jul 21, 2008
I sounds like you need to grease the intermediate shaft. GM sells a kit that consists of a plug and a bag of grease for around $18. It has been a few years since I bought it so the price could have went up. They also offer an update shaft for around $100. I am nearly 100% sure this is your problem. I have a 03 Yukon and have done it 3 times in 120,000 miles.
There are a few other posibilities, but they are not so cheap. The next logical problem could be the power steering pump or the valve in the gear box.
Posted on Mar 07, 2009
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