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Cavalier power problem
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CarGuru > General Motors > Cavalier power problem 5 May 2005 16:43:15

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Cavalier power problem

Guest 24 April 2005 07:20:52
 I have a 1990 GM Chevrolet Cavalier 2.2L AC PS PB that shows this
problem: when going uphill engine gives a tick-tick-tick sound and no
power. When I step on gas pedal on highway or on street, engine gives a
tick-tick-tick sound and no acceleration until a long time 2 minutes
later. (This problem came on about the same time last year when the AC
stop working, blew a fuse. I replaced a fuse, AC still not working.
Compressor will not kick on. I short circuited the relay and I can get
the compressor and fan go on.) The car has filled with premium gas,
still tick-tick-tick. Car has metal timing chain and no timing mark. It
has electronic crank position sensor for controlling timing.
Compression on all 4 cylinders are perfect. Vacuum test at 20mmHg
steady no fluctuating. No sign of oil in coolant, and no sign of
coolant in oil. Any suggestion?

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Shep 24 April 2005 18:18:44 permanent link ]
 Take it to a shop and have it checked out and scanned for proper operation
of sensors and fuel mixture.
<fgin@hotmail.com> wrote in message
news:1114312852.041­843.72300@o13g2000cw­o.googlegroups.com..­.>I have a 1990 GM Chevrolet Cavalier 2.2L AC PS PB that shows this> problem: when going uphill engine gives a tick-tick-tick sound and no> power. When I step on gas pedal on highway or on street, engine gives a> tick-tick-tick sound and no acceleration until a long time 2 minutes> later. (This problem came on about the same time last year when the AC> stop working, blew a fuse. I replaced a fuse, AC still not working.> Compressor will not kick on. I short circuited the relay and I can get> the compressor and fan go on.) The car has filled with premium gas,> still tick-tick-tick. Car has metal timing chain and no timing mark. It> has electronic crank position sensor for controlling timing.> Compression on all 4 cylinders are perfect. Vacuum test at 20mmHg> steady no fluctuating. No sign of oil in coolant, and no sign of> coolant in oil. Any suggestion?>



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Scott 25 April 2005 02:34:37 permanent link ]
 
<fgin@hotmail.com> wrote in message
news:1114312852.041­843.72300@o13g2000cw­o.googlegroups.com..­.>I have a 1990 GM Chevrolet Cavalier 2.2L AC PS PB that shows this> problem: when going uphill engine gives a tick-tick-tick sound and no> power. When I step on gas pedal on highway or on street, engine gives a> tick-tick-tick sound and no acceleration until a long time 2 minutes> later. (This problem came on about the same time last year when the AC> stop working, blew a fuse. I replaced a fuse, AC still not working.> Compressor will not kick on. I short circuited the relay and I can get> the compressor and fan go on.) The car has filled with premium gas,> still tick-tick-tick. Car has metal timing chain and no timing mark. It> has electronic crank position sensor for controlling timing.> Compression on all 4 cylinders are perfect. Vacuum test at 20mmHg> steady no fluctuating. No sign of oil in coolant, and no sign of> coolant in oil. Any suggestion?

Have you put a new fuel filter in it?
Checked the fuel pressure?


Add comment
Joseph Oberlander 25 April 2005 08:12:55 permanent link ]
 

Scott wrote:
<fgin@hotmail.com> wrote in message > news:1114312852.041­843.72300@o13g2000cw­o.googlegroups.com..­.>
I have a 1990 GM Chevrolet Cavalier 2.2L AC PS PB that shows this>>problem: when going uphill engine gives a tick-tick-tick sound and no>>power. When I step on gas pedal on highway or on street, engine gives a>>tick-tick-tick sound and no acceleration until a long time 2 minutes>>later. (This problem came on about the same time last year when the AC>>stop working, blew a fuse. I replaced a fuse, AC still not working.>>Compresso­r will not kick on. I short circuited the relay and I can get>>the compressor and fan go on.) The car has filled with premium gas,>>still tick-tick-tick. Car has metal timing chain and no timing mark. It>>has electronic crank position sensor for controlling timing.>>Compressio­n on all 4 cylinders are perfect. Vacuum test at 20mmHg>>steady no fluctuating. No sign of oil in coolant, and no sign of>>coolant in oil. Any suggestion?

I'd check the MAF. The nothing happens under load(no power at all),
but then suddenly decides to figure it out, usually when you stomp
it really hard and fast(lift off the pedal and stomp it down hard).
That's a bad MAF most of the time.

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Guest 25 April 2005 09:18:05 permanent link ]
 I changed fuel filter, O2 sensor, PCV, cleaned EGR, checked fuel
pressure. cleaned MFA also. I scaned with a engine diagnoses kit , no
code. The only thing is tracing the vacuum line to see if any hose is
unplugged, and take it to dealer for scaning diagnoses and timing
check.

*******************­********************­**8
Scott wrote:> <fgin@hotmail.com> wrote in message> news:1114312852.041­843.72300@o13g2000cw­o.googlegroups.com..­.> >I have a 1990 GM Chevrolet Cavalier 2.2L AC PS PB that shows this> > problem: when going uphill engine gives a tick-tick-tick sound and
power. When I step on gas pedal on highway or on street, engine
gives a> > tick-tick-tick sound and no acceleration until a long time 2
minutes> > later. (This problem came on about the same time last year when the
stop working, blew a fuse. I replaced a fuse, AC still not working.> > Compressor will not kick on. I short circuited the relay and I can
the compressor and fan go on.) The car has filled with premium gas,> > still tick-tick-tick. Car has metal timing chain and no timing
mark. It> > has electronic crank position sensor for controlling timing.> > Compression on all 4 cylinders are perfect. Vacuum test at 20mmHg> > steady no fluctuating. No sign of oil in coolant, and no sign of> > coolant in oil. Any suggestion?>
Have you put a new fuel filter in it?> Checked the fuel pressure?

Add comment
Joseph Oberlander 25 April 2005 11:05:09 permanent link ]
 

fgin@hotmail.com wrote:
I changed fuel filter, O2 sensor, PCV, cleaned EGR, checked fuel> pressure. cleaned MFA also.

Some MAFs can't be cleaned, especially if they are nearly dead
to begin with. My guess would the air intake/ratios or the
fuel pressure is too low - that's about all there is that would
cause it to bog down when you floor it.

Add comment
Ega 25 April 2005 16:00:13 permanent link ]
 I assumed the air filter was also replaced.

Is the problem occur all the time or only after driving for a while? Have
you ever noticed a suction when removing the gaz cap?


<fgin@hotmail.com> wrote in message
news:1114406285.297­115.265830@g14g2000c­wa.googlegroups.com.­..>I changed fuel filter, O2 sensor, PCV, cleaned EGR, checked fuel> pressure. cleaned MFA also. I scaned with a engine diagnoses kit , no> code. The only thing is tracing the vacuum line to see if any hose is> unplugged, and take it to dealer for scaning diagnoses and timing> check.>
*******************­********************­**8> Scott wrote:>> <fgin@hotmail.com> wrote in message>> news:1114312852.041­843.72300@o13g2000cw­o.googlegroups.com..­.>> >I have a 1990 GM Chevrolet Cavalier 2.2L AC PS PB that shows this>> > problem: when going uphill engine gives a tick-tick-tick sound and> no>> > power. When I step on gas pedal on highway or on street, engine> gives a>> > tick-tick-tick sound and no acceleration until a long time 2> minutes>> > later. (This problem came on about the same time last year when the> AC>> > stop working, blew a fuse. I replaced a fuse, AC still not working.>> > Compressor will not kick on. I short circuited the relay and I can> get>> > the compressor and fan go on.) The car has filled with premium gas,>> > still tick-tick-tick. Car has metal timing chain and no timing> mark. It>> > has electronic crank position sensor for controlling timing.>> > Compression on all 4 cylinders are perfect. Vacuum test at 20mmHg>> > steady no fluctuating. No sign of oil in coolant, and no sign of>> > coolant in oil. Any suggestion?>>
Have you put a new fuel filter in it?>> Checked the fuel pressure?>


Add comment
Big Al 25 April 2005 21:55:18 permanent link ]
 No one mentioned a plugged catalytic converter. Easy to check and a known
problem on older Cavaliers.

Al

"ega" <someone@somewhere.­com> wrote in message
news:d4im4i$6in$1@d­ns3.cae.ca...>I assumed the air filter was also replaced.>
Is the problem occur all the time or only after driving for a while? Have > you ever noticed a suction when removing the gaz cap?>
<fgin@hotmail.com> wrote in message > news:1114406285.297­115.265830@g14g2000c­wa.googlegroups.com.­..>>I changed fuel filter, O2 sensor, PCV, cleaned EGR, checked fuel>> pressure. cleaned MFA also. I scaned with a engine diagnoses kit , no>> code. The only thing is tracing the vacuum line to see if any hose is>> unplugged, and take it to dealer for scaning diagnoses and timing>> check.>>
*******************­********************­**8>> Scott wrote:>>> <fgin@hotmail.com> wrote in message>>> news:1114312852.041­843.72300@o13g2000cw­o.googlegroups.com..­.>>> >I have a 1990 GM Chevrolet Cavalier 2.2L AC PS PB that shows this>>> > problem: when going uphill engine gives a tick-tick-tick sound and>> no>>> > power. When I step on gas pedal on highway or on street, engine>> gives a>>> > tick-tick-tick sound and no acceleration until a long time 2>> minutes>>> > later. (This problem came on about the same time last year when the>> AC>>> > stop working, blew a fuse. I replaced a fuse, AC still not working.>>> > Compressor will not kick on. I short circuited the relay and I can>> get>>> > the compressor and fan go on.) The car has filled with premium gas,>>> > still tick-tick-tick. Car has metal timing chain and no timing>> mark. It>>> > has electronic crank position sensor for controlling timing.>>> > Compression on all 4 cylinders are perfect. Vacuum test at 20mmHg>>> > steady no fluctuating. No sign of oil in coolant, and no sign of>>> > coolant in oil. Any suggestion?>>>
Have you put a new fuel filter in it?>>> Checked the fuel pressure?>>


Add comment
Joseph Oberlander 26 April 2005 18:59:34 permanent link ]
 

Big Al wrote:> No one mentioned a plugged catalytic converter. Easy to check and a known > problem on older Cavaliers.

Yeah, a pluged exhaust will also cause terrible running, though
I suspect it's a bit different since he says it clears itself up
after a while.

Add comment
Hairy 5 May 2005 16:43:15 permanent link ]
 
<fgin@hotmail.com> wrote in message
news:1115275073.292­415.324990@f14g2000c­wb.googlegroups.com.­..> Thank you to all . I finally solved my problem for the time being.> After 3 tanks full of Chevron premium gasoline with octane 91, the ping> ping noise when going uphill disappeared. Also when accelerating on> freeway is faster response, no more ping-ping-ping.> Anyone care to give me a reason why I have to use high octane gas for> this car. one year ago, I can use octane 87.

Inoperative knock sensor

Carbon buildup in combustion chambers has raised the compression ratio

Red hot carbon in combustion chamber causing pre-ignition


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CarGuru > General Motors > Cavalier power problem 5 May 2005 16:43:15

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