Question about 2004 Chevrolet Blazer

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When driving my 2004 blazer s-10 LS rpm's will rocket up 4000 or futher but I will have no power or acceleration. Doesn't really matter the gear your in or the speed your going though it happen more at high way speeds.

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  • Chevrolet Master
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Faulty throttle position sensor

Posted on Jul 12, 2011

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2 Answers

Throttle position sensor


Check the fuel pressure under load and also have the exhaust system checked for excessive back pressure.

Mar 16, 2017 | 2006 Toyota RAV4

1 Answer

Blazer will not accelerate over 3000 RPM will drive 15 MPH but no more


run fault codes to determine why the CPU placed the engine in limp mode. Check oil and coolant levels.

Jan 01, 2014 | 1991 Chevrolet S-10 Blazer

1 Answer

I have a 2002 Celica GT 5-Speed and I shift at about 4k RPMs when getting on the highway and I still feel I'm accelerating to slow. Am i doing something wrong?


Not driving a corvette? Just kidding. More details are important. How slow is your acceleration? Is it 0-60 in 8 seconds, or 20 seconds? What is redline on your car? If redline is 5K then 4000 is a good responsible shift point. If redline is 8K then shifting at 4000 is probably robbing your engine of it's torque and horsepower band. I believe the GTS model has an 8K RPM redline, the GT may be lower, but in that case, shifting at 4K is too soon for strong acceleration. Your Tachometer should have redline clearly marked. For responsible use, stay below that, maybe 10-20%. For economy stay further still, but for power you need to let the engine use it's RPMS, especially smaller and fewer cylinder engines usually don't make their power until they are half way through the RPM range and above.

Nov 13, 2013 | Cars & Trucks

1 Answer

I have a 2004 Monte Carlo SS S/C and it is throwing multiple codes. P0068, P0001, P0018, P0054, P0085, P0050, P0055, P0060, P0028, P0084, P0008, P0009, P0069, P0070, P0300 I need some serious help! The car...


What you do is Google the codes & read up on them

Type: 2004 Monte Carlo OBD POO68 etc

I would guess when you say you need help you,
don't have the years of experience & test equip
to work on it anyway

Sep 12, 2013 | Cars & Trucks

1 Answer

I just purchased a used 2004 Chevy Impala LS from a dealer with 46,000 miles and the car misfires at 4000 rpm's whether in park,neutral or driving on highway without any warning lights or codes....


check firing order of the plug leads as 2 may be crossed Have a fuel pressure test done on the fuel system check coil/s condition as it may be braking down at revs.

May 19, 2013 | Cars & Trucks

1 Answer

Rpm does not reach 4000 rpm


Neutral or Drive N rev limiter to prevent engine damage from no load over acceleration. D: many things could be at fault. Has your fuel filter been changed in the last 30,000miles. What about a tune up? Is your CEL(Check Engine Light) on? If so have a parts store check for codes, some do it for free. Then get back to us and we can go from there.

Jun 24, 2012 | 2003 Ford Taurus

1 Answer

My 1996 v6 chevy truck engine runs good at idle but in drive it has poor acceleration. In idle I can maintain 2500 RPM but in drive it does go to 2500 but the truck acts like it has resistance. I was...


sounds like a catalytic converter - runs good but lacks power - the back pressure keeps the engine from being able to accelerate under load - good luck :O)

Feb 19, 2011 | 1991 Chevrolet S-10 Blazer

4 Answers

2004 Chevy Blazer. Poor acceleration, limited rpm. Code p0101


Check your catalytic converter, good chance that it has broken apart and is blocking exhaust flow. Common Chevy 4.3L Issue.

Mar 16, 2010 | 2004 Chevrolet Blazer

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