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Random misfire in 2004 Chevy Silverado what is the cause

Posted by Anonymous on

5 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 328 Answers

SOURCE: 2004 Chevy Silverado Heater Switch

It could be the switch or your blower motor resistor.

Posted on Jan 16, 2009

emissionwiz
  • 74945 Answers

SOURCE: 2004 CHEVY AVEO THROWING CODES P0700 TRANSMISSION CONTROL SYSTEM,P0300 RANDOM MISFIRE DETECTED, P1781 ENGINE TORQUE SIGNAL CIRCUIT. CAR RANDOMLY DIES DRIVING ON THE HIWAY, PULL OVER,STOP RESTART CAR G

there is a Technical service bulletin for this problem, the number of the TSB is 01575, TSB Date:January 1, 2004
It has to do with engine valve seating problems.

Posted on Jun 03, 2009

  • 1 Answer

SOURCE: 2004 chevy suburban flex fuel misefire

Compression Test the Cylinders. We had one doing the same thing. It was a warped valve on #4.

Posted on Jun 30, 2009

cool78259
  • 228 Answers

SOURCE: 2004 Chevy Silverado heater blows

the heat is independant from your ac. look for leaky radiator hoses or heater hoses,radiator cap,coolant

leaks inside your cab under the dashboard on your floor board. if you have non of these problems.

you may have a blocked or stopped up heater core and it will need to be replaced. depending on the

truck some replacements are easy and some hard , trucks and cars vary. good luck!

Posted on Feb 13, 2011

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2 Answers

2000 chevy silverado p0171 ; p0174; p0300


Sounds like you have a serious vacum leak.; DTC 0174 and 0174 are lean conditions on bank 1 and bank 2, 0300 is random misfire. The only thing I can think of is a big vacum leak like the brake booster / vac line leaking, or maybe the intake manifold is cracked ... even a stuck-open EGR doesn't normally lean a motor that much. Start by checking for a vacum leak, if the motor will idle you can spray a little WD-40 around ports and lines >> if the idle speeds up or becomes smooth you on the right track in the area you judt sprayed.

Feb 26, 2015 | 2000 Chevrolet Silverado

1 Answer

2004 chevy can spark plugs cause scanner to read tps on a 6.0 l gas 2004 chevy silverado


It shouldn't. The TPS sensor is voltage based on throttle position. If the plugs are bad, you should get a separate cylinder misfire code only. If you are getting a TPS code, it is likely the TPS. Remember too, it is an electronic TPS, so there is a sensor on the accelerator pedal assembly that it talks to. Make sure that's plugged in. What you can do is with the vehicle in the on position (not running) - push the pedal all the way to the floor a few times. Also, clean out the throttle body and ensure there is no gunk preventing the throttle body from opening smoothly and all the way. Good Luck.

Feb 16, 2015 | 2004 Chevrolet Silverado

1 Answer

01 chevy Silverado 2500 misfires multiple cylinders replace 02 sensor map sensor fuel injector cleaned maf sensor it is throwing a code for knock senor 2 circuit my question is can a knock senor be bad...


No a knock sensor can not make a misfire. Check the coils, plugs and fuel pressure .The random misfires are cause the knock sensor to throw the code.

Jul 02, 2014 | Cars & Trucks

1 Answer

Random misfire cylinder 3


Smoke test entire vehicle for vacuum leaks

You don't have any idea where the misfire
is from, at this point,find out

You installed parts

That is not what you do,you diagnose & find
the cause of the misfire,no parts involved there

You don't have the professional tools or software
at home, to diagnose without wasting time & getting
no where

Could have a bad intake gasket or mechanical problem
in one cylinder

Apr 04, 2013 | 2001 Chevrolet Silverado 1500

2 Answers

P0300 Code 99 Chevrolet silverado 1500 5.3L


Random misfire. Computer cannot figure out which cylinder is misfiring or it occurs randomly on all 8 cylinders. A friend of mine found his ABS system was kicking in while driving down the road, feeling like the engine was missing. Computer detected it as a P0300 random misfire. He removed ABS fuse and eliminated the problem.

Mar 01, 2013 | 1999 Chevrolet Silverado 1500

1 Answer

Random misfire on 2004 chevy tahoe z71


Use some electrical spray cleaner or tuner cleaner and give mass air flow sensor a good cleaning. then try it. If that doesn't help, a fuel system pressure test may be smart to confirm proper pressure required is there. Low fuel pressure will cause multiple random misfire as well.

Feb 18, 2012 | Chevrolet Cars & Trucks

2 Answers

Truck misses after it is warmed up.


Start with a tune up, spark plugs, spark plug wires, fuel filter, air filter and that might cure the PO300B code, hope this helps, Gary

Jul 28, 2010 | 2002 Chevrolet Silverado

1 Answer

2003 1500hd chevy silverado 6.0 liter. I had a



DTC Number
P0160 DTC Name O2 Sensor Circuit No Activity Detected Bank 2 Sensor DTC Number P0300 DTC Name Random/Multiple Cylinder Misfire Detected

Feb 17, 2010 | 2003 Chevrolet Silverado 1500

1 Answer

Random Multiple Misfire code


They could be related but, obviously, it could also be many other different problems. I would replace the evap solenoid and reset your codes to see if the light comes back on. If your CEL comes back on, get back on here and let me know. If replacing the EVAP solenoid doesn't fix the random misfire we will work through the steps to figure it out for you. Let me know if you have any other questions. Thanks for rating my response and for using FixYa!

Jul 23, 2009 | 2004 Chevrolet Silverado 3500

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