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Power loss under load at operating temperatures

Tiny
HAZK(NO)W
  • MEMBER
  • 2003 HONDA CRV
  • 100 MILES
The vehicle is demonstrating loss of power under a load. Wondering if the EGR is the culprit
Tuesday, February 28th, 2012 AT 8:13 PM

25 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be the EGR valve, also refer to this link:https://www.2carpros.com/articles/engine-has-low-power-output
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Tuesday, February 28th, 2012 AT 8:16 PM
Tiny
KENNIEFYFE
  • MEMBER
  • 3 POSTS
  • 2003 HONDA CRV
  • 85,000 MILES
Hi, my 2003 CRV engine (or emissions) light came on a week ago and comes on then off - though more recently has been staying on. I feel a loss in power and feel it uses more fuel and was hoping you may have some ideas before I take this to a mechanic. I am from the UK and have very little mechanical knowledge. There is also a rattling sound from under the car however this may be a coincidense?
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Anyplace to get codes read cheap/free? Are you IN the UK or USA?
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
KENNIEFYFE
  • MEMBER
  • 3 POSTS
Sorry don't understand codes read cheap/free?

I am in the UK.

A mechanic can check this for free I was asking incase it was a known or obvious fault.

Thanks for helping.
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Warning lights register fault codes in computer to give clues to problem. There is an access port to interface and read them.
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
KENNIEFYFE
  • MEMBER
  • 3 POSTS
Okay thanks so I really need to take it to a garage then I guess.

Thank you.
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
If you get sticker shocked or an uncertain diagnosis you can come back and ask more about it. And also if you get it satisfactorily fixed you can post results and cure.
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
2002CRV
  • MEMBER
  • 16 POSTS
  • 2003 HONDA CRV
  • 4 CYL
  • 4WD
  • 67,000 MILES
I have a 2003 Honda CRV EX automatic transmission and am having a problem with a slow acceleration only when the AC is on. Also I've noticed a moderate pining noise from the engine after the CRV reaches 10mph and faster. Could this be a problem with the fuel injectors? Anyone assistance is appreciated.
Thank you
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Have the computer scanned for trouble codes first.
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
2002CRV
  • MEMBER
  • 16 POSTS
I had the computer scanned and there were no errors. However I took out the spark plugs and I noticed one had oil on it where the element is. I know that the PCV valve was bad so I replaced it. Is there more I should do?
I've had a 2002 and a 2003 crv and my luck is the same. They both have the same engine problem. Same cylinder.

Thank you for all the help.
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Which cylinder has the problem?
Do you mean the oil is on the ceramic part of the spark plug?
Was anything done prior to thia occurring?
Is the engine oil level correct?
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
2002CRV
  • MEMBER
  • 16 POSTS
Its cylinder # 3. Yes it the ceramic and the metal part at the bottom of the plug. Nothing was done to the vehicle. I bought this CRV about 6 months ago from a local Honda dealership. I change the oil on my car so I always fill it to the recommend markings. If I drive the car for 3000 miles the oil drops right under the lowest marker.

Thank you for your help.
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Oil is getting into the spark plug tube and it is via a bad valve cover gasket. Replacing the gaskets should solve the peoblem.

When there is excessive oil around the spark plug, it can result in misfigin and poor performance. Have th oil leak repaired and retest.

The oil consumption is more likely to be due to worn valve seals or other areas of leakage. The VTEC valve gasket is one of the more common cause of oil leakages.
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
SUZYQNRC_73
  • MEMBER
  • 1 POST
  • 2003 HONDA CRV
  • 170,000 MILES
The brake pads have been changed on all 4 wheels and new calipers were put on the back on both sides. The brake fluid was completely drained and changed out. However, once the car has been driven for a few miles the brakes will begin to grab to the point of bogging the motor down and not letting the car move. There is also a burning smell on the outside of the car from the back end. Once the car is turned off and allowed to sit for about 15 mins, there is a single click noise under the hood and then the brakes release and the car can once again be driven another few miles.
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
2002CRV
  • MEMBER
  • 16 POSTS
Thank you for a quick response. I will buy the kit from Honda and replace the valve cover seal and also the plugs seals. I will keep you posted.

Thank you again for all your help.
Best regards
Tony.
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Have the brake hoses checked for collapsing. Have the abs checked as well

Roy
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Check the brake booster push rod to pedal clearances. If the brake switch was worked on, that would be most likely to be the cause, otherwise the ABS modulator.
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
MEGANMARIE53
  • MEMBER
  • 2 POSTS
  • 2003 HONDA CRV
  • 2.4L
  • 4 CYL
  • AWD
  • AUTOMATIC
  • 235,000 MILES
I have a 2003 Honda CRV, I have been noticing the RPM's racing when I accelerate, I know this is a 4 cyl. And this is somewhat normal, but lately, it seems to be "racing" when I accelerate, from a light, pulling out onto the highway. Higher then normal, almost 5000 rpms.
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Have a trans guy scan for codes and check it
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)
Tiny
MEGANMARIE53
  • MEMBER
  • 2 POSTS
Thank you, in the back of my mind, I was concerned it may be trans related. Was hoping not, I'll have someone ck it.
Thank you
Megan
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Wednesday, September 25th, 2019 AT 5:23 PM (Merged)

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