2003 Toyota Prius Logo

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Anonymous Posted on Sep 25, 2013

Funny noise prius

When engine starts car makes rattling noise. what is that noise coming from?

5 Related Answers

Anonymous

  • 71 Answers
  • Posted on Jul 23, 2009

SOURCE: Prius screeching noise before starting

Probably your fuel pump, have it looked at by a mechanic.

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Anonymous

  • 3 Answers
  • Posted on Jul 25, 2009

SOURCE: shaft at front of engine making noise?

replace propshaft couplings about 40 on ebay also known as donuts .

pieter dauth

  • 68 Answers
  • Posted on Aug 08, 2009

SOURCE: Prius makes sounds when I brake and after I step on the gas.

take the car to your toyota dealer let them put the car on the dynostic machine

ParisRat

  • 6 Answers
  • Posted on Jan 12, 2010

SOURCE: 2003 Prius sometimes will not start, engine light comes on. Removing key from ignition, reinserting key, & turning wheel till it locks will then allow the car to start. Engine light stays on for a

I had a wire connector on the front of the engine that had so much tension, the wires broke. I didn't notice until a wet day when the car wouldn't start (and the Check Engine light was on). (The error code was related to an Emissions error.) The connector is located on the engine, front, just left of center. Hope this helps!

omaromid

omaromid

  • 332 Answers
  • Posted on Feb 08, 2010

SOURCE: Car is making funny noises and wont accelerate

I had this problem also after i washed my car engine compartment, water in spark plug compartment causes this problem. remove the wire plugs from the spark plugs and dry the compartment/spark plug sockets, also open the air filter compartment and make sure it's dry and clean. also do not forget to inspect your spark plugs also, install new ones and your car will run like new! Good Luck

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I have a 2001 Ford ranger supercab that makes rattling noises. It has a 4.0L SOHC. It makes a very fast and loud metallic rattle wich softens anfter about a second or so when I first start it for the day....

4.0l's are notorious for valve rattle on cold start-up. There is really nothing you can do to make it go away short of completely replacing the valve train in the top end, and that isn't a permanent fix. It's is an top end oiling issue from the factory. Just don't race your engine on cold start-up until the rattle stops.

The rattle in the transmission sounds to me to be more of a loose dust shield/heat shield around the transmission or exhaust than a mechanical issue.
0helpful
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Prius screeching noise before starting

Probably your fuel pump, have it looked at by a mechanic.
0helpful
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Our 2001 Prius has about 130,000 miles. now it

Find the screeching noise! It's a belt slipping on a seized pulley Somethings seized up like the waterpump and wrecked your cam belt
1helpful
3answers

Shaft at front of engine making noise?

replace propshaft couplings about 40 on ebay also known as donuts .
9helpful
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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.
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