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I have a vauxhall astra mk4 1.8 16v cdx on x reg 2001 its had new coil pack and plus oil change running perfect when put foot down get black blue smoke what could be the cause and where can a find oil breever pipe to see if that it is using lot of oil there no leaks and all so were imishions plug is to where it conects to wire on loom there a round wire with 3 pin holes in it looks like something missing could that be the problem dont know what it is or whats missing. couldn't find the opinin for vauxhall in the list so thats why i pick the 1st on the list.

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If u see bluish exhaust the car is burning the oil. That would lead u to a cylinder head gasket or cracked head. Check for oil in the coolant or visa versa and Any hot running motor? That's the head or gasket

Posted on Apr 29, 2017


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Posted on Jan 02, 2017

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SOURCE: Vauxhall Astra 1.4 gsl (M - Reg)

Have your blower motor resistor checked,this is the most likely solution.

Posted on Oct 25, 2008

  • 345 Answers

SOURCE: Vauxhall Astra 1.6 16v sxi w reg

cure the airleak and your fault will be gone!

Posted on Jan 05, 2009

  • 94 Answers

SOURCE: Check engine light flashes sometimes and runs rough

A flashing check engine light is a critical indicator. That usually means that something went wrong that will damage the emission control system... and that is usually an ignition issue. First off, the OEM plug your car calls for is an NGK irridium... NOT BOSCH and not anything with more than 1 prong. Those NGKs are like 2 bucks and they are the proper plug. Make sure you have these plugs and make sure they are gapped to .028. Next, my suggestion is put all the new stuff on again. Drive it to autozone and have them delete all the codes. Drive it around until the check engine light comes on again, then immediately go back and read the codes. The ECU is smart enough to know which cylinder is misfiring. On these cars, I think they have three banks of two... meaning one "coil" inside the coil pack operates two of the cylinders. So if you get multiple misfires, it's the coil. If you get one misfire it's probably an individual plug wire or plug. Good luck.

Posted on Jul 15, 2009

  • 4803 Answers

SOURCE: idles ruff when warm, like it has a miss and black

Are there any fault codes in the ECM? No "Check Engine" light on?
Black smoke means it is running rich. You should be getting Rich O2 sensor codes. Running rich is usually caused by the Mass Airflow Sensor. (MAF) This is located in the snorkel that connects the air filter to the throttle body. Make sure that the snorkel hose is properly connected to the sensor housing as well as the throttle body housing. (See Picture)88a7041.gif
Also be sure to check the reference voltage (VREF) to the MAF, MAP and TP sensors. It should be right at 4.8 to 5.2 volts. If it is low, suspect a shorted sensor. Note that several sensors are served by the same VREF circuit. I had one GM 3.1L engine that was running like **** and smoking black that had only 2 volts at the MAF. I started unplugging sensors to see if the VREF would come up to specs and found that I had 5 volts at the MAF with the Coolant Level sensor (in the radiator tank) unplugged. Replacing the Coolant Level sensor fixed the car. Any of the sensors could cause the same problem if it is shorting the VREF circuit.
If the VREF circuit checks out OK, Then I would Try a MAF sensor
If you are getting misfire codes, you probably have an injector sticking open.

Posted on Oct 11, 2009

  • 369 Answers

SOURCE: vauxhall astra v reg 1.6 8v air problem

either your blower motor has failed or your resistor the resistor is usually mounted on the blower motor on the front passenger side under dash

Posted on Jan 23, 2010

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