Questions tagged [ecotec]

General Motors trademark referring to a series of emissions technologies that were implemented into a range of engines produced for GM vehicles. These are both gasoline (petrol) and diesel engines. ECOTEC equates to "Emissions Control Optimization TEChnology".

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2013 malibu 2.5 bank 1 camshaft sensor

Does anyone have a picture of where the intake cam position sensor is located? Error code p0011 is reoccurring, cam actuator has already been changed
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2k views

2014 Chevy Impala Oil Sensor Location (P055b Engine oil pressure sensor/switch B - circuit range/performance)

My 2014 Impala LS (2.5L Ecotec) is throwing an OBDII code for P055b. Immediately checked oil level with dipstick, all is fine there. I'm assuming that the sensor/switch (whichever it is) has simply ...
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Running rough in the cold 03 cavalier

I have a 2003 cavalier with the 2.2L ecotec. In the cold weather it runs terribly and doesn't get better even when engine has been warmed up. The engine will shudder when I give it gas from a low rpm ...
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Any stable alternatives for Z22YH (GM Ecotec GDI engine) high pressure fuel pump?

the main problem with these pumps (part number 815049) are: 1. Expensive: about 400€ for a new one, very hard to find a working old one. 2. Membranes: the membranes used in these pumps get broken ...
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2k views

Block flatness tolerance?

2006 Solstice (says hello). The engine overheated for some reason, going from ~200F to ~300F in a matter of seconds. (Actually, the gauge changed directly from 203F to 298F.) The head is over at the ...
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3k views

2004 Saturn ION with Ecotec 2.2: Engine misfire with code P0300, ICM problem?

Car came in with a misfire complaint and check engine light on with code p0300. Looking at misfire history confirms high misfire counts on cylinders 1 and 4 along with lower counts on cylinders 2 &...
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16k views

What is Opel/Vauxhall's TwinPort Technology?

Some Opel Engines come with something called TwinPort Technology. I guess that this increases power, as the original Z12XE (1.2) engine has 55kW, and the TwinPort (Z12XEP) version engine has 59kW of ...
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2.2 ecotec on 2008 Cobalt - Timing chain tensioner will not come out of head

Asked this on a message board, no luck. Got an odd one for you here. My mom's Cobalt started having the notorious ticking around 100k. Went and installed a new timing chain tensioner. I misread the ...
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Malibu turns over, does not start

2005 Malibu (Classic, fleet version) with 2.2 L Ecotec four-cylinder engine fails to start. It turns over, and scattered weak pops indicate that there’s rudimentary combustion going on, but it does ...