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Prev Professional Automotive Repair Technical Discussions for November 16, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
2005 BMW X3 3.0i 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: WBXPA93415
Thanks in advance. The vehicle came in with a cold start complaint, which we had witnessed and also for emissions failure for P0171 & P0172. I suspected vacuum leaks and found the oil separator in the PCV system was leaking using smoke test. I purchased new h... Trouble codes: 279C, 28B2, 2830 (DME Self Test Checksum), 27A1, 2796 (Throttle Valve Learn Values Incorrect), 274E
2008 BMW 135i 3.0L water pump
hi everyone I need some advice to remove the electric waterpump on this small vehicle ,the space seems very limited,I am thinking to drop the cross memeber to remove the pump, is there any other better advise? thanks for the input.
1997 Chevrolet Cavalier 2.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G1JC524XV
Good Morning Techs, Have this 98 Cavalier that came in with a Miss on Idle on Number 4 Cylinder. After diagnosing could not pinpoint reason for miss at idle (only at idle). Felt as though it was a vacuum leak. Sprayed propane around intake and injector ports,... Trouble codes: P0304
2004 Chevrolet Suburban 1500 LS 5.3L Poor Idle Quality, Hesitation, MIL Lamp on, will not shut off VIN: 3GNFK16Z14
I installed a used vin T engine in this Suburban that had a vin Z engine in it. I used the original harness and injectors and fuel rails. Now I got all sorts of weird problems. The above codes come back when started after being cleared. It starts and runs fair... Trouble codes: U1064 (loss BCM VTD DIM PZM /or SBM data), U1041, U1026, U0107, P0200, P0230
2004 Chrysler Sebring Limited 2.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1C3EL65R24
Vehicle has what feels like a vibration but is indicated as a misfire along with flashing engine lamp at idle only. Off idle engine lamp goes out or stays on steady (miss goes away off idle). Check misfire counters and found bank one(cylinders 1,3,5) are misfi... Trouble codes: P0300
2005 Dodge Magnum SE 2.7L Poor Idle Quality, Surge, Stall VIN: 2D4FV48T65
Car starts and drives fine issue seems to be only at idle. Did find a few vacuum leaks at the intake and egr tube which have been repaired. Those fixes had no effect on the idle issue. There is no mil light on. I compared my scan tool data to a 2006 model with...
2012 Ford F-150 FX4 3.5L Tpms VIN: 1FTFW1ET5C
This is my personal vehicle and as I mostly deal with diesel engines, this is outside of my expertise. I purchased 4 winter tires mounted on rims with TPMS sensors from the local Ford dealer. I installed them this weekend but I am unable to train the sensors f...
2005 GMC Sierra 1500 SLE 5.3L unknown VIN: 2GTEK13TX5
Truck has vibration in body that starts at 45 & continues until 70 mph. We tried the wheels & tires on another vehicle & they are fine. Wheels & tires from other vehicle made no difference. Removed driveshaft & had balance checked -ok replaced rear shocks (on...
2004 Infiniti G35 3.5L Misfire, MIL Lamp on, no power VIN: JNKCV54E54
Thanks for your help in advance. I have this Infiniti in here that is falling flat on its face and setting a p0300 misfire code. At idle fuel trim is normal 0 +/-5 at 2500 rpm bank 1 is -4 +/-5 bank 2 is at +25. MAF is showing 6 grams per sec at idle and 20 gr... Trouble codes: P0300
2003 Kia Sorento EX 3.5L All Gauges, Headlights, Dome Light VIN: KNDJC73373
Thanks to all in advance. I have a few problems with this vehicle. Has Auto Headlights that does not work. Can only turn them on manually. Dash lights were working and have since gone out. Dome Light Inoperable also. Fuses I have found are good. NOT a Kia Tech...
2005 Nissan Pathfinder LE 4.0L No Start VIN: 5N1AR18U95
Hi all I have this Pathfinder with a NATS problem. If I program the keys the vehicle will start. Once I allow the vehicle to sit with the ignition off until the security light flashes the vehicle will not start. I tried the unlock procedure but to no avail. An... Trouble codes: P1610 (Lock Mode), P1614 (Chain of Immu), P16FF
2006 Pontiac Torrent 3.4L Misfire VIN: 2CKDL63F36
I have replace the number 2 plug twice and it comes back misfiring on the same cylinder due to the plug going bad.the plug does not look fouled out and looks like its burning clean.if i put a new plug in it will run great for about 500 miles. The fuel trims lo... Trouble codes: P0302 (Misfire 2 cylinder)
2006 Pontiac Grand Prix 3.8L emissions VIN: 2G2WP55286
My car has a intermittent po455 code large leak for emmissions. Have replaced gas cap with ac delco cap and installed a ac delco vent solenoid at the intake manifold. The code went away for 1 week but comes back only in the morning. The gas cap lite comes on a...
2004 Volvo XC70 2.5L Surge, Stall, Oil Consumption VIN: YV1SZ59H04
Car just threw P2188 and OCCASIONAL rough idle at 191000. Also found P2187 pending. Also found almost 3 quarts oil low! No leaks evident. No smoke. We did oil change and rigorously check levels and for leaks during such service. Car drives great under stres... Trouble codes: P2188 (Presented - ECM-262A - Fuel Trims Out of Range), P2187 (Pending - ECM-262A - Fuel Trims Out of Range)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1995 BMW 540i 4.0L No Start VIN: WBAHE632XS
We didn't exactly fix this car. After disconnecting every module we could think of we never were able to establish communication. Here is the deal though. The e34 had mostly EWS version 1 on it for it's life cycle. This was a simple 4 pin starter inhibit rel...
2003 Buick LeSabre Custom 3.8L Cuts out, Stall VIN: 1G4HP52KX3
I am going to call this a fix. I am sorry for the late post but I was not 100 percent of the fix so I waited for feedback from the customer. As of yesterday the car has been fine. Since we never were able to duplicate the problem to the point where we could ge... Trouble codes: P0101.
1990 Chevrolet K1500 Cheyenne 4.3L No Start VIN: 1GCEK19Z1L
Thanks to all who replied. It's harvest time here & weather is not cooperating. It may be this winter before I can get this thing in here to explore some of these ideas. If I find anything I will post as such but for now I need to close it before it gets close...
2002 Chevrolet Avalanche 1500 5.3L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 3GNEK13T22
It was the valve spring closest to the firewall, exhaust, on the left side, I guess it could have been worse, could have been the right side. Trouble codes: P0300 (random misfire), P0106 (Map out of range).
2008 Chevrolet Colorado LT 2.9L passkey VIN: 1GCCS34928
Thank you to all who replied to this post. On advise from members I checked the battery and connections. While all looked good the battery was original and more than 5 years old. I have replaced the battery and cleaned all connections. The problem has not retu...
2001 Hyundai Elantra GLS 2.0L Engine VIN: KMHDN45D31
After getting the the help from other members I found out that the computer was bad. I replaced the computer and the CKP senors now she runs great.
2006 Mazda MX-5 Miata Touring 2.0L keyless ignition VIN: JM1NC25F76
Thanks to Marty [...] for cluing me in to Mazda Service Bulletin #09-028/06. In short the advanced keyless entry module can simply drop the key card ID and apparently there is no way to get it back. Essentially the entire system needs to be replaced by a Dealer be...
1990 Mercedes-Benz 500SL 5.0L MIL Lamp on VIN: WDBFA66E2L
I double checked the basics as many folks implied and in the end it was Harry who hit it on the head. There was nothing wrong with this car other than a reporting error internally in the KE module concerning that code. The part number had been updated from ... Trouble codes: 09 (Current to EHA valve y1 implausible).
2004 Mercedes-Benz E320 4Matic 3.2L Rear Air Bags VIN: WDBUH82J44
2002 Mitsubishi Montero Limited 3.5L Abs Ecu VIN: JA4MW51R62
Gave The Customer Several Options And They Opted To replace The Entire Hbb Buzzer Went Off. Vehicle Stops great. ThanK You To Everyone That Replied!
1987 Pontiac Firebird Trans Am 5.7L fuel injection
I have narrowed the problem down to the MAF. with the duct work from the MAF to the throttle body on it runs lean 2000ppm HC's .16% CO with the duct off it runs perfect 200ppm HC's and 1.65% CO. this is with MAF plugged in. unplug it and the CEL illuminates. t...
2007 Porsche Cayman 2.7L oil coming out of tail pipe Looks like a breather VIN: WP0AA29847
The breather box was the problem and it took a long time for the smoke to clear then about a week after we had to remove the mass air flow sensor and clean it because of a rough idle and stalling issue the oil had contamiated the MAF sensor after that all was ...
2006 Toyota RAV4 Limited 2.4L Poor Idle Quality, Stumbles VIN: JTMZD34V26
Turns out that the aftermarket alternator was sending a signal to the ECM that caused the alternator to be full fielded (max voltage output) at all times by the ECM. The alternator output on these vehicles are controlled by the ECM. Alternator voltage could n...
2000 Volvo V70 X/C AWD 2.4L Electronic VIN: YV1LZ56D4Y
Upon another extended test drive of this vehicle I found the transmission to be slipping in 3rd gear pretty consistently. The check engine light did not come back on but 3rd gear slips pretty bad under full acceleration. According to the application chart the ...
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