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Chevrolet Impala 2005 and earlier

13540 messages,  Last post on Nov 30, 2009 at 7:08 AM

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#13505 of 13540 Re: CHEVY IMPALA HELP!!! [shonnyd] by revjim64 Mar 21, 2009 (7:26 am)
Replying to: shonnyd (Mar 20, 2009 4:44 pm) Could be a clogged fuel filter or weak fuel pump.   If it restarted and the engine ran and you didn't move, it could be a transmission problem.
#13506 of 13540 Re: CHEVY IMPALA HELP!!! [shonnyd] by fathertyricius Mar 26, 2009 (7:22 pm)
Replying to: shonnyd (Mar 20, 2009 4:44 pm) Your problem is the catalytic converter. My 01 LS did the same thing. My car was still in warranty when it happened, but I read that GM is honoring replacement of the catalytic converter if the car is under 120,000 miles. Once the catalytic converter was replaced, the car drove like brand new. Call GM for further info. Goodluck.
#13507 of 13540 Hard to start? by the_big_al Mar 31, 2009 (7:40 am)
I have a 2004 3.4L Impala with about 40K miles. My wife has commented that sometimes it has been hard to start. She says it will take several cranks for it to finally turn over and she was wondering if this is normal. I say this because I don't drive the car on a regular basis and I haven't really noticed anything "unusual". However, it does take a couple more cranks than my other vehicles to start and there have been occasions that it has taken several cranks 6-7 before it starts. My other vehicles start on the first or second crank but they are totally different motors and so I have have just chalked it up to this motor taking a few cranks to start. Normal is 3-4 cranks which I don't think is too out of line?   So my question is this? Is it normal for the 3.4L motor to take several cranks to turn over. What would cause it take several more cranks to start, like the 6-7 that my wife has mentioned? Replies to this message: edl79 (May 01, 2009 8:45 pm) the_big_al (May 01, 2009 11:40 pm)
#13508 of 13540 Fuel Pump by rbrase Apr 02, 2009 (8:17 am)
My 04 impala has cut out or hesitated on me (twice in the last 2 weeks) while driving down the highway at approx 70mph. It feels like I am running out of gas and then it catches and starts running without any issues. Someone told me that it could also be the fuel filter on the rail or the power train control module. Does anyone know how to replace a fuel pump? Do i need to drop the gas tank? Replies to this message: the_big_al (Apr 02, 2009 1:00 pm) revjim64 (Apr 02, 2009 2:53 pm)
#13509 of 13540 Re: Fuel Pump [rbrase] by the_big_al Apr 02, 2009 (1:00 pm)
Replying to: rbrase (Apr 02, 2009 8:17 am) To replace the fuel pump you will have to drop the gas tank. But I don't think your issue is a fuel pump. More likely it is a filter. A pump either works or it doesn't, at least in my experience. One day it works, the next it's gone. But it won't cause the hesitation you are experiencing, however a clogged fuel filter will. That is where I would start.
#13510 of 13540 Re: Fuel Pump [rbrase] by revjim64 Apr 02, 2009 (2:53 pm)
Replying to: rbrase (Apr 02, 2009 8:17 am) If you have over 70,000 miles and you never changed your fuel filter, it may be time to replace it! Especially if you are in the habit of driving until the low fuel light comes on.   If you have a habit of running the tank until its almost empty, all the dirt and residue gets sucked into the fuel filter causing it to clog.   I would start by replacing the fuel filter. If that doesn't fix the problem, than you may have a "electronic" problem with a sensor or computer.   Also, in an earlier post someone mentioned that some Impala's have defective catylitic converters. If your cat converter is clogged that would cause loss of power and cut outs.
#13511 of 13540 Re: Hard to start? [the_big_al] by edl79 May 01, 2009 (8:45 pm)
Replying to: the_big_al (Mar 31, 2009 7:40 am) I have a different engine but had a similar problem with extended cranking and for me it was the crank position sensor. We have 2 Impalas with the 3.8L. The 2001 now has 103k and the 2004 has 120k. In Sep-06 at 92k the 2001 suddenly started cranking longer to start. This car had always started on 1 crank. The problem started 1 week before my 6yr/100k extended warranty expired. Dealer replaced fuel pump and ignition module under the warranty but that didn't fix it and they couldn't duplicate the problem and of course no codes.   Then it started stalling out intermittenly too, but it always restarted. My wife only does local low-speed driving and it seemed to stall out when it was cold, like the first drive of the early morning, after going a few miles. Both problems occurred randomly for 2 months and I spent many hours searching the net for a most likely cause. Finally it stalled after going 100 feet - her first start after work- and wouldn't restart. Towed to the dealer and left it there for several days for them to try to duplicate the problem.   I had seen in my research that the CPS could be the problem but the service mngr (who was a very good) said the flow charts don't point to the CPS for the 2 problems when combined. I said to replace it as a last try because we didn't have a drivable car anyway. End of story is they replaced it at no charge, and the car's been fine for 2.5 years. I got lucky - it could have been an intermittent electrical problem.   Repair history for the 2 cars: 2001 - upper intake coolant leak and cat converter (Chevy warranty), thermostat, fuel pressure regular, one rear ABS sensor, one front wheel bearing assembly, blower resister, fuel gauge sensor and the crank position sensor. 2004 - I drive this one 500 miles a week - one oxygen sensor, a thermostat, one front wheel bearing assembly, and a slow leaking lower trans coolant line.   Overall, not bad for 223k total, and if the CPS had been diagnosed quickly, no major problem issues. They also get serviced - fluids, filters. The cars look good, still feel solid and always plenty of power. Replies to this message: the_big_al (May 01, 2009 11:40 pm)
#13512 of 13540 Re: Hard to start? [edl79] by the_big_al May 01, 2009 (11:40 pm)
Replying to: edl79 (May 01, 2009 8:45 pm) I'll keep my eye on the starting issue. So far it has always been reliable and never left us stranded. Then again, it's only got 40K on it. It is lucky to see a 10K a year. However it is only the the 3.4 How I wish I would have bought that gorgeous used 3.8 LS Impala instead of my NEW base Impala, but what's done is done. It's still been a good car.
#13513 of 13540 Re: 2002 Impala Problems [mwhopkins] by oberstov May 06, 2009 (10:27 am)
Replying to: mwhopkins (Dec 02, 2007 6:54 am) Had the same problems. Just replace or charge your battery and all will work)))
#13514 of 13540 Re: 2001 Impala LS 3.8 Problem with overhead message center [georgedan] by oberstov May 06, 2009 (10:28 am)
Replying to: georgedan (Apr 02, 2006 10:05 am) Had the same problems. Just replace or charge your battery and all will work)))

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