Guest imported_blazer1997 Posted November 21, 2008 Share Posted November 21, 2008 The service engine light come up for about 3 sec. then goes out.and sometime can go for several weeks and never see this light.Checked all the ground connection I could find but it still will come up.Any suggestions? Link to comment Share on other sites More sharing options...
Guest Bobby Valines Posted November 21, 2008 Share Posted November 21, 2008 When the check engine light comes on it usually means there's a code in the computer. What year is your car? Link to comment Share on other sites More sharing options...
Guest tomt Posted November 21, 2008 Share Posted November 21, 2008 State the year of your car!!If it has the 88-89 display get the codes.On my 89 when this happened, it was the O2 sensor. That was shown in the codes. If you are at 80K that could be it.Tom T. Link to comment Share on other sites More sharing options...
Guest G Froelich Posted November 21, 2008 Share Posted November 21, 2008 You can also access the code if you have a '90. With ignition key in "On" position, hold down climate control "Off" and "Temp Up" together for several seconds. The display will go crazy at first but when it settles down look for the flashing codes to the left of the gas gauge. Problem codes start with "E". Link to comment Share on other sites More sharing options...
DAVES89 Posted November 21, 2008 Share Posted November 21, 2008 He has an '89. I went back and read his first post. Go easy on him. If you remember about 2 years ago he replaced just about everthing he could to fix a no start. Turned out to be a relay. Blazer is a good guy. To read codes, Go to climate control page. Turn climate control off. Press and hold off and warm buttons. Read codes. Report back Link to comment Share on other sites More sharing options...
Guest imported_blazer1997 Posted November 21, 2008 Share Posted November 21, 2008 Today drove total of 67 miles, and no yellow service light.On Thursday drove less than 20 miles the light came on for 2 or 4 seconds, and then go off. This happened 8 or 9 times.The code that shows is code E041 Cam Sensor.Checked the cam sensor for missing magnets. All 3 are in place.Thanks Daves89 you are right I did replace just about everything including new manifold gaskets.It is a 89 reatta.Any and all suggestions appreciated. Thanks Larry Link to comment Share on other sites More sharing options...
padgett Posted November 22, 2008 Share Posted November 22, 2008 If the cam magnet (I only have one) falls off, the E041 will be constant. If it goes off you have a different problem, possibly a bad wire. Link to comment Share on other sites More sharing options...
Guest imported_blazer1997 Posted November 22, 2008 Share Posted November 22, 2008 Padgett I think your right. I checked and cleaned all grounds I could find.Start checking from the cam sensor plug back for broken or exposed wire. Link to comment Share on other sites More sharing options...
55chevy Posted November 22, 2008 Share Posted November 22, 2008 I've heard black silicone is a good fix, just put some on the check engine light and you won't see it come on again. Link to comment Share on other sites More sharing options...
Guest imported_blazer1997 Posted December 5, 2008 Share Posted December 5, 2008 Back again been down for couple weeks open heart surgery again.Removed cam sensor, and checked the magnet using a mirror, and using small drill bit and magnet was strong.This E041 is intermittent condition. It will show up for seconds, and then go off. Starting today it became more intermittent come on and then go off. Noticed when this code appears while driving if give it throttle had a jerk, and shakes the car.I have checked for poor connections or broken wire none found.Using the service manual states poor ecm connection to pin BC5 or faulty ECM.I replaced the ECM (new) last year.Padgett help me here. Link to comment Share on other sites More sharing options...
Roadster90 Posted December 5, 2008 Share Posted December 5, 2008 Drop the under dash carboard or whatever panel, and Move your ECM gang plug connections around a litle (twist and reseat) and see what happens Larry.... Link to comment Share on other sites More sharing options...
Guest imported_blazer1997 Posted December 5, 2008 Share Posted December 5, 2008 Nic give it try tomorrow. Thanks Link to comment Share on other sites More sharing options...
padgett Posted December 5, 2008 Share Posted December 5, 2008 Those intermittants are a real pain, it almost certainly a wiring issue. Sometimes you just have to keep wiggling things until something changes. Link to comment Share on other sites More sharing options...
DAVES89 Posted December 5, 2008 Share Posted December 5, 2008 And here I thought cam sensors were only in the engines... But then again hearts are engines too, so I guess anything is possible. Seriously hope you are recovering well. Link to comment Share on other sites More sharing options...
Guest imported_blazer1997 Posted December 5, 2008 Share Posted December 5, 2008 Thanks Daves Doing very good. Have good Holiday. Link to comment Share on other sites More sharing options...
Guest imported_blazer1997 Posted December 7, 2008 Share Posted December 7, 2008 Still looking for intermittent condition E041. Used all suggections found nothing. Wife started vehicle, and i moved, and pulled every elect harness under the hood. Nothing.Then i removed the panel under the glove compartment started engine, and pulled, twisted each wire going to the ecm. nothing.Got ready to call it day started engine to back out of the garage you got it. E041 came up.Could the cam shaft position sensor be causing thi problem?????? Thanks Link to comment Share on other sites More sharing options...
padgett Posted December 7, 2008 Share Posted December 7, 2008 The first thing I would do is to check the conddition of the cam magnet (interrupter) visually. It could only be partly there.The second would be to replace the sensor with a spare I keep around just as a test but it is little more than a coil of wire.Intermittants are always the hardest to find and if neither of these then it just takes lots of time.There are pictures at http://padgett.ws/cars/cammag.htm of what a good magnet looks like and how to reach. You will probably need a mirror. Link to comment Share on other sites More sharing options...
Guest imported_blazer1997 Posted December 7, 2008 Share Posted December 7, 2008 Technician Padgett solve the E041 problem again. I purchased a SU134 wells camshaft sensor from autozone $19.99Installed, and no more E041 code.Thanks again Padgett Hope all the reatta owners, and family have a Merry Christmas. Larry Link to comment Share on other sites More sharing options...
Guest imported_blazer1997 Posted December 11, 2008 Share Posted December 11, 2008 E041 fixed, gone, no black tape over service engine yellow light. Link to comment Share on other sites More sharing options...
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