2005 Camry LE losing power while cruising at 1,500 RPM

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Old 25 Oct 2006, 09:07 am   #1 (permalink)
Alander
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Default 2005 Camry LE losing power while cruising at 1,500 RPM

Hi everyone,
First of all, please let me note, I don't know too much (obviously)
about the engine/car mechanics. I'm not sure if this is an issue or
not, but I was hoping someone could give me some ideas...

I drive a 2005 Camry LE. Overall I'm very happy with the car and its
performance except for one thing that I notice while cruising at around
75-80 km/hr. While driving at this speed and with approximately 1,500
RPM the engine starts to kinda "purr" and it feels like it's loosing
the power. The only way to get rid of this is to suddenly accellerate
to increase the RPM to about 2,000.

Is it normal? Should the RPM be at 1,500 while cruising at this speed
and with throttle pedal only slightly depressed? Basically, what it
does, it prevents me from being able to drive with the throttle pedal
just lightly depressed. I need to give it a "kick" to increase the RPM
to about 2,000 to make the engine sound right (?) and feel like it's ok
and has any power.

I'm not sure if any of you can identify what could be the problem here
(if any). The car is still under warranty but the thing is, if I go to
Toyota, they may just say that it's normal or there's no problem.
Besides, the trick is, that it's really hard to explain what the issue
is unless you actually drive the car for a moment andget to cruising...

Is it possible that the throttle doesn't open enough and therefore
doesn't supply enough fuel that engine is expecting??? Sorry, if this
is a stupid theory... but if anyone could give me some ideas as to what
I could look into, I would greatly appreciate it. Thanks in advance.

Regards,

Alan

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Old 26 Oct 2006, 05:13 pm   #2 (permalink)
m Ransley
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Default Re: 2005 Camry LE losing power while cruising at 1,500 RPM

Probably transmission problems, change the oil and filter and see if it
helps.

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Old 26 Oct 2006, 07:19 pm   #3 (permalink)
blah
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Default Re: 2005 Camry LE losing power while cruising at 1,500 RPM

"Alander" <alander98@hotmail.com> didst typeth:

<snip>
> Is it normal? Should the RPM be at 1,500 while cruising at this speed
> and with throttle pedal only slightly depressed? Basically, what it
> does, it prevents me from being able to drive with the throttle pedal
> just lightly depressed. I need to give it a "kick" to increase the RPM
> to about 2,000 to make the engine sound right (?) and feel like it's ok
> and has any power.

<snip>

Have you tried driving with O/D off to use lower gears and higher rpm?

blah


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Old 26 Oct 2006, 11:00 pm   #4 (permalink)
EdV
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Default Re: 2005 Camry LE losing power while cruising at 1,500 RPM

Only on final gear? What happens if you cruise on lower speeds at same
RPM when your gear is at 3rd or 2nd?, does it also loose power? the car
will shift gears when you reach 2,500~3000 rpm so you try to control
the speed.

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Old 27 Oct 2006, 05:34 am   #5 (permalink)
Ralph Mowery
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Default Re: 2005 Camry LE losing power while cruising at 1,500 RPM


"Alander" <alander98@hotmail.com> wrote in message
news:1161785273.868608.13050@k70g2000cwa.googlegro ups.com...
> Hi everyone,
> First of all, please let me note, I don't know too much (obviously)
> about the engine/car mechanics. I'm not sure if this is an issue or
> not, but I was hoping someone could give me some ideas...
>
> I drive a 2005 Camry LE. Overall I'm very happy with the car and its
> performance except for one thing that I notice while cruising at around
> 75-80 km/hr. While driving at this speed and with approximately 1,500
> RPM the engine starts to kinda "purr" and it feels like it's loosing
> the power. The only way to get rid of this is to suddenly accellerate
> to increase the RPM to about 2,000.
>
> Is it normal? Should the RPM be at 1,500 while cruising at this speed
> and with throttle pedal only slightly depressed? Basically, what it
> does, it prevents me from being able to drive with the throttle pedal
> just lightly depressed. I need to give it a "kick" to increase the RPM
> to about 2,000 to make the engine sound right (?) and feel like it's ok
> and has any power.
>


I would say this is normal. The transmission is in the overdrive mode and
the engine is running very slow to give you good gas milage. Gas engines
just start developing good power around 2000 to 25000 rpm. That is why you
have gears. The more gears the beter an engine can stay in the maximum
horsepower curve. That is around 2500 to 5000 rpm. Once you get to the
speed you desire, say around 75 km/hr it only takes a small ammount of
horsepower to mantain that speed. To speed up quickly , it takes lots more
horsepower and unless the transmission drops to a lower gear the engine is
in the low end of the horsepower rpm curve and can not develop the power
quickly. That is one reason that most cars will shift to a lower gear if
you press the gas all the way to the floor.


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