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P0300 sets on the freeway (with the typical flashing CEL) but if I only drive on the streets, No codes will set. The engine runs just fine, no surging or the "misfire feel" On the streets, if I make a hard left turn the engine bogs or surges. not missing, but the same feeling as you would run out of...

I just did that on a 01 lanos. Removed airbox and bent upper cover. It took 15 minunts, most of the time trying to get the bolts to the CS to line up with out dropping them. The exhaust cam gear is in the way but it is a quick and simple way to do it. Also I suggest checking the timing, because that...

It is a witch to get to though. Is removing the Alt is the best way?

where are you from? Around here you can get a used head that you pull yourself for $60. Although if you can't find one with out bent valves you can swap out good ones, or replace the bent valves at your import auto parts store, or chevy dealer has them, you have to say it is for an Aveo though. Chec...

On a 2000 Leganza where is the transmission control module, isn't it under the dash? My friend had aftermarket cams in his and the transmission never shifted right afterwords. Reseting the ECU did no good. Battery unplugged for several days, nothing. He unplugged then plugged back in the transmissio...

Did you try the cam position sensor?

Inlet manifold--you mean the aluminum piece that it on the drivers side of the cylinder head? The EGR, Temp sensor, Temp Sender, Coil pack, and a coolant hose mounts to it. Not to be confused with intake manifold. What should I use as new gaskets? A cut out gasket or high temperature RTV? Or is it t...

I tried that and it worked, but kind of like replacing the IAC, RPM at 950-1000, and varying a little. The slight moving of the RPMs made me think of the EGR valve. Short story: The EGR gasket leaks, and there is either a crack, a hole, or another leaking gasket on the bottom of the part the EGR mou...

I replaced the IAC, no difference. Adjusted the throttle minimum screw, and adjusted the TPS and I got it to idle 950 for a couple hours (950 is still to high) but then in 24 hours it was back to 1250 rpm and set the code again. it seemed to "learn" the adjustment. What can I do? I am thinking of ge...

The steering isn't providing much assist either. Mostly noticeable at or near a stopped speed. The fluid level is fine, and there is no PS pump whining. It has more assist than engine off. Also, slightly more assist, if engine revved in park or neutral. How do I determine if the problem is the PS pu...

Lets just say your Leganza is not the only one with a curling dash! By the defrost vent and the window.

My 2000 leganza 2.2L set a 0507 code and it idles at 1250 RPM and a friends 02 nubria 2.0L has the same code, and his idles at 1500. How do I test it out to be sure it is the IAC? We looked for vacuum leaks.

Whats involved with adding cruise control to a 2000 Leganza, automatic transmission?? It have the cruise lever switches on the steering column, and I see where the mechanism would attach by the intake on the engine... I assume you need the brain to it too? what are the components?? Thanks a lot guys...

Hi my friend's 2000 Leganza has loose steering, also a "thumping" sound you can hear, and feel in the steering wheel. It has about a 2 inch worth of play at the steering wheel. Typically when stopping hard on the freeway it does the "thumping" or "knocking" rapidly, like a shopping cart caster wheel...

Since that a dealer replacement part would be expensive, another used part would be corroded like mine, and factoring in the fact that the car is only 7 years old and this part is failing, (brittle PLASTIC) I went to Home Depot ant bought a whole bunch of pipe and fittings, and now this part will ou...