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Under hood, center, upper engine area, mounted in rear of intake manifold
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How do you fix gm error code P0401?
p0401 is related to EGR valve flow. Possible bad EGR, check passageway under EGR to see if its plugged See also for the DPFE before changing the EGR Valve.
Egr valve location?
Does a 2000 pontiac gran am 4 cyl. Have an egr valve all that parts stores have is a gasket. Gm says it does not have one. Car shakes and shimmies when you stop at an intersection which everyone says check the EGR valve
Where is the PCV on a 1977 Chevy with a GM 350?
it is in one of the valve covers
How do you repair gm dtc p0401 egr 2006 1 TON DUALLY?
Trouble code P0401 means: Insufficient EGR Flow Detected Need to replace the EGR valve
What causes an obd2 codes p0401 and p0300 on a 2001 Honda Passport if you already clean up the egr valve and passage how you can fix it?
== == First off Your Honda is really an Isuzu Rodeo, but you already knew that. These have the GM electronic egr. if you have the 3.2 motor. The only way to fix it is to replace the egr valve.
My 1990 gm 305 has the same internal parts as my 5.7 gm .is this right?
Different pistons. Cam might be different. Valve sizes are different.
Where is number one cylinder on a 1990 GM 350 with throttle body fuel injection?
Driver's side front.
Where is the EGR valve located on a 1995 Chevrolet Blazer with a vortec engine?
The valve is at the front of the engine just behind the A/C Compressor. Its just above the thermostat. Be careful as for some unknown reason GM has designed this valve without polarity. It can be installed upside down which will yield less than impressive results. Where is the EGR valve located on a 1995 Chevrolet Blazer with a vortec engine?
Will an oil base from a 78 350 gm fit a 74 350 gm?
Yes, There the same.
Where do you put the oil in a 350 engine?
At the engine oil filler cap. On a 350 GM engine it is located on one of the valve covers, and is easily found. If you cannot find this cap, then you have no business working on this engine.
Is there a difference in the block heads of a 1971 gm 350 and 2000 gm 350?
Yes, they are very different.
How do you fix GM error code P0401 on a 1997 acura TL without buying a EGR valve?
I was looking up the same thing and came across these answers: ... "very well be that the egr valve is coverd in carbon. The carbon is easy to clean with a wire brush if you remove the valve.The main cause of malfunction in an egr valve is the carbon build up leaving it stuck open or closed! Simple huh? i have a 99tl that had the same problem. simply remove the intake and clean the carbon from the passages to egr. it not difficult, it took about 15 mins and have not had trouble since, good luck!"
