Question about 1997 Chevrolet Cavalier

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I have a 1997 cavalier.. and got the diagnostic test.. says that o2 sensor.. got it fixed. then it started reading knock sensor and cam sensor... why are all these sensors supposedly bad..??? can anyone help me because a person that worked on it can't

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You'll have to take it to a parts store (O'Reily's/Advance/Auto Zone/etc...) they can do a scan for codes that will usually tell what the problem is, the scan should be free (unless they are a service/parts then there's likely a charge). more often than not, it's something like an O2 sensor, but it's worth also checking your fuel cap to see if the rubber seal is bad or heavily cracked, maybe just readjusting it will fix it (if it's a vapor leak).

Posted on Mar 11, 2011

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1 Answer

My 97 chevy cavalier is running to lean on the motor. What could that be?


I would start with the fuel filter if this is OK and you really think is still lean you would be looking towards O2 sensors but a mechanical diagnostic would help pinpoint.

Feb 05, 2013 | 1997 Chevrolet Cavalier

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2.2 1997 chevy cavalier has a knocking sound and wont go over 15 mph up a hill


My guess would be a mechanical problem with the engine, such as a piston or valve.

Aug 28, 2012 | 1997 Chevrolet Cavalier

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2001 cavalier 2.2 engine. After running , engine not up to operating temp. but the exhaust is starting to glow red. The cat.conv. replaced, no vaccum leaks. What could be the problem?


The problem could be in the O2 sensor. It's reading the exhaust gases as too rich so it's leaning out the fuel mixture to compensate and the knock sensors are enriching the mixture because they are reading. In my car it turned out to be a dead cylinder, low compression. Hope this helps.

Dec 07, 2010 | 1998 Chevrolet Cavalier

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1997 breeze is shooting codes 12 46 43 55


OBD Code 12 - No Distributor Reference Pulse (Diagnostic Test Active) The Engine Control Module-ECM uses the distributor reference pulse to calculate the engine speed. On newer engines, the Crank Shaft Position Sensor performs this function.

Symptoms:
  • When flashing the Check Engine Light to read codes, code 12 will always display first, indicating the diagnostic system is active
  • The engine will not run with a "hard" code 12 set
Common Problems:
  • Chances are you will never need to diagnose a code 12. Rather, the problem would be a crank, no-start condition.
  • If code 12 does not flash, that would indicate a communication problem with the ECM.
  • Code 12 does not show when reading codes with a scan tool. If there is a communication problem, the scan tool will let you know.



OBD Code 46 - Pass-Key II System Error - Circuit out of Frequency Range The ECM receives a signal from the Pass-Key module. When the correct signal is received, the ECM will allow the engine to start and run. Please review the RepairPal article on the GM Pass-Key Anti-theft systems for more information.

Symptoms:
  • Engine may not start
Common Problems:
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OBD Code 43 - Knock Sensor error The ECM receives a signal from the Knock Sensor based on the amount of engine ping detected. The ECM uses information from this sensor to help calculate fuel delivery and spark timing.

Symptoms:
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Common Problems:
  • Faulty Knock sensor
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OBD Code 55 - End Test.


Hope ehit help (remember comment and rated this).

Jul 22, 2010 | 1997 Plymouth Breeze

1 Answer

2001 Tacoma running rich but the scanner is reading a lean code


No, disconnecting the sensor and seeing no change would be a indication the maf was bad. Your computer takes information from your mass air flow sensor (maf), o2 sensor, cam position, and knock sensor to regulate the correct mixture. I would suspect a bad o2 sensor upstream. Try taking off the o2 sensor and seeing if there is black carbon on the base of the o2 sensor. If it has black carbon on the base it could be a bad o2 sensor. This problem could also be easily solved by hooking up a mechanics diagnostic computer to pin point the problem. Sometimes, you can clean the mass air flow with a special cleaner to help it generate a more accurate reading.

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1 Answer

I have a 97 Cavalier with a 2.4 and P0134 comes up even after changing 02 sensor. Only comes up after engine reaches operating temp.


P0134 is O2S CKT Insufficient Activity Sensor 1, I do have a Diagnostic chart i can send you for this code, need email address to send to

Feb 07, 2010 | 1997 Chevrolet Cavalier

1 Answer

Difference in knock sensor for 1997 2.4 litre vs


You cant make it work, you need to get the correct sensor.

Feb 05, 2010 | 1997 Chevrolet Cavalier

3 Answers

I failed the emisson's test. I have a 97 Nissan


P0136 indicates a bad O2 sensor. This reports poor emission performance back to the car's PCM (computer)
P0325 indicates a bad "Knock" sensor which would adversely effect drivability as far as performance is concerned. Only way to fix these 2 problems is replacement of the 2 components.

Nov 03, 2009 | 1997 Nissan Maxima

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