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Chevrolet Malibu Engine Problems

76 messages,  Last post on Oct 26, 2009 at 8:11 PM

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#37 of 76 Re: Engine RPM [gonogo] by jappetto Feb 12, 2008 (1:46 pm)
Replying to: gonogo (Feb 12, 2008 9:16 am) This only happens sometimes. Only certain times I drive the car, then the next time it might not do it. You feel a slight jerk when it revs up and then comes down. I am not sure if it is just at the shift points or what. I fugure if there are no lights on the dash that are on then I shouldn't be worried? Replies to this message: gonogo (Feb 13, 2008 9:22 am)
#38 of 76 Re: Engine RPM [jappetto] by gonogo Feb 13, 2008 (9:22 am)
Replying to: jappetto (Feb 12, 2008 1:46 pm) Well the slight jerk does not sound right. That is one smooth transmission, the only time I get a rough shift is when down shifting the L under about 50 MPH. Take it in if under warranty, some codes will set without a light.
#39 of 76 Engine temperature by nb25 May 22, 2008 (4:29 pm)
#40 of 76 Engine temperature by nb25 May 22, 2008 (4:29 pm)
My daughter bought a 2000 Malibu with 100,000 miles to drive and from college. It runs well but the temp gage seems a little high - in the 190 f range. The coolant level seems fine. Does this sound like a problem? Would a radiator flush help? Replies to this message: marked1 (Mar 08, 2009 9:18 am)
#41 of 76 engine makes loud rattling sound. by marked1 Mar 08, 2009 (8:40 am)
2000 malibu 100k mileage suddenly started having loud rattling sound, engine light came on. Looked and sounded like engine misfire. checked the codes and came up with code P0304 cylinder #4 misfire. checked cylindrer 4 compression and spark-ok. Fuel injector found also warking. PUZZZLED. With the engine, running removed ignition wire from spark plug #4 -got electricuted ( DON'T DO THAT) but the noise gone- interesting. Removed front valve cover and found 1 bolt backed out from rocker arm hence not putting any pressure on the valve spring (not sure intake or exhaust) . it explains why cylinder comression was ok- the valve was closed all the time. torqued the loose bolt and installed front valve cover. started up and it's fixed. Why the rocker arm bolt was loose- probably because it wasn't torqued wright when lower intake manifold gasket was replaced in 2002 by an independent repair shop. that's my 2 cents. Have a great day.
#42 of 76 Re: Engine temperature [nb25] by marked1 Mar 08, 2009 (9:18 am)
Replying to: nb25 (May 22, 2008 4:29 pm) So your temp gauge shows a tad over long middle mark (180 f). you might need to addres this issue before it gets bigger. Radiator flush- big no no. if it was my car i would replace thermostat and coolant as preventetive maintenance. you are better of to use a-c delco thermostat and match the coolant that you are having now, most likely red colored dex-cool. ( be 100% sure not mix different coolant types). Next, is your engine overheating when driving at free way speed or idling, let me know.
#43 of 76 Transmition/Idle craziness by beldaran Mar 19, 2009 (6:07 am)
Every once in a while my 2001 Malibu would idle really high, where I had to stomp on the breaks to keep it from lurching forward at a stop light. We're talking 2000 rmp when stopped. I tried to take it in twice and it quit doing that before I got it in, so no one knows what was wrong with it.   Now the issue is back, combined with what seems to be the opposite problem, when accelerating, I can't get it to go past 45mph on occasion. I can get the rmp up to 5000, but I'll be stuck at 45. I'll let off the gas completely, the car will lurch a bit, and then I can coax it up to 50 or so. Then it may do it again, or it may accel. smoothly up to 60 for me.   Anyone have any ideas on where to start looking on this one? Are the issues related at all? Replies to this message: beldaran (Mar 27, 2009 5:32 am)
#44 of 76 2000 malibu egine seems to surge when under load by zbleski Mar 22, 2009 (4:34 pm)
it seems like a transmission problem but its been changed. when going up a hill the car will sometimes fluctuate anywhere from 250rpm to 500rpm when trying to accelerate uphill. this also seems like its thinking about downshifting but doesn't shift and occasionally when it does downshift it will still seem to do this please give me some feedback on this issue thanks
#45 of 76 2006 Malibu Check engine light/ Therm gauge by 06malibune Mar 27, 2009 (5:01 am)
Last night my husband and I went out to eat. When we got in my 06 LT-V6 Malibu with 61k it wouldn't start. I have never had a problem with my car and I bought it 2 years ago and it was only 6 mnths old. We called a friend who came and gave me a jump and she started right up. My husband and I booked it home so she wouldn't leave us stranded and I noticed the temp. gauge wasn't working, but I just figured that I was because the battery was low/dead. We got home and changed out the battery for a new one and now my check engine light is on, temp. gauge still won't work and she starts really rough now. I went through the computer and turned off the auto-start thinking that might help and it didn't. I'm going to make an appt. today to see if we pull any codes, but if it comes up something major besides a fuse or a relay I'm selling the car. Replies to this message: pao (Mar 27, 2009 3:19 pm) soonirise (Oct 26, 2009 8:11 pm)
#46 of 76 Re: Transmition/Idle craziness [beldaran] by beldaran Mar 27, 2009 (5:32 am)
Replying to: beldaran (Mar 19, 2009 6:07 am) For the record, my issue was a completely clogged catalytic converter. I got that replaced and it runs correctly, idles correctly and had better be good for the next 2 years.

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