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Prev Professional Automotive Repair Technical Discussions for November 12, 2013
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2004 BMW 545i 4.4L Poor Idle Quality VIN: WBANB33554
Hi all, I have this BMW here what came in to have the valve cover gaskets replaced. After doing so, the vehicle misfires for about 15-30 seconds after start up. this occurs every time you shut it down and restart. Any and all help will be greatly appreciated. ... Trouble codes: 27BB, 2731 (function camshaft control inlet bank 1)
2006 BMW X5 3.0i 3.0L LF Headlamp VIN: 5UXFA13596
Hi guys I'm having some trouble with this X5. It came in the shop with the LF headlamp inop. What we found was the wire from the ignitor coil was dissconneted so we plugged it back in and put the wire strap around it still no lights. At this point we swapped b...
2004 Chevrolet Suburban 1500 LS 5.3L fuel VIN: 3GNFK16Z14
I have this Suburban with a 5.3 vin Z flex fuel engine. The engine is bad and customer has a good used same year 5.3 vin T gasoline engine. Is it possible to make this swap? What other parts would have to be changed? Thanks
2006 Chevrolet Express 3500 LS 6.0L MIL Lamp on VIN: 1GBJG31U86
Hi guys, hope I can get some help here. This Van is actually a small school bus. Intermitently this bus sets a P0300, and the mil flashes. The driver states that no other symptoms are noticed. I have been unable to duplicate the problem while driving, but I no... Trouble codes: P0300 (Random missfire)
2007 Chevrolet Impala LS 3.5L No start, no dome lights, no PRNDL indicartion VIN: 2G1WB58K07
07 Impala LS, U0140, towed in, symptoms are as such: no crank, no PRNDL indication on cluster, no interior lights, no window operation, several error messages on dash. Key stuck in ignition, and cant get out of park... Tested for power and ground at BCM, about...
2004 Chrysler Crossfire 3.2L No Start VIN: 1C3AN69L24
the vehicle will crank but does not have spark and does not have injector pulse. The scanner has a data PID called start enable and this reads no. We do not get any cranking RPM in the data stream while cranking. I feel like this is an anti theft feature but I...
2007 Chrysler Town & Country Limited 3.8L Suspension VIN: 2A4GP64L37
This car has a slow speed r.f. knock, like a sway bar issue. I have read about the strut nut issue on earlier models, does it affect this later model also? Rear control arm bushing looks rusty (Wisconsin) but seems very solid. Any other ideas to check? Thank y...
2002 Dodge Ram 2500 5.9L pcv VIN: 3B7KF23672
dodge cummins diesel blow-by hot,bad smell in cab factory appears to have put a bottle on outlet of pcv to catch oil and vent crankcase checked pcv hot and appears normal one time seemed to blow more pcv out and then good again for miles wondering if there is ...
2005 Dodge Neon SXT 2.0L Surge, MIL Lamp on VIN: 1B3ES56C15
Thanks in advance for any help on this one. Customer said he bought it this way.Vehicle came in going into limp mood at 2200 rpm with Codes p0344 & P0016. replaced cam & crank sensors. same thing. We have no wave form on synch for cam sensor and no wave form f... Trouble codes: P0344 (Cam sensor code), P0016 (Cam crank out of synch)
2005 Ford F-250 Super Duty XLT 6.8L engine VIN: 1FTSX21Y25
po360 cylinder misfire #10. Truck originally came in with a number 3, 7 misfire. replaced the sparkplugs, cops for those two cylinders. Still misfire and popping through intake. Removed intake system and noticed #7 intake runner flap bent. Replace intake syste...
2005 Ford Five Hundred Limited 3.0L MIL Lamp on VIN: 1FAFP25195
Hello, I need help due to lack of info from Mitchell. this five hundred when you clear codes will drive & shift normal till codes set. then the cel and little wrench light comes on & trans won't shift up or dowm from second. I've read from archives (only 1 pos... Trouble codes: P2544, P0171, P0174
2006 Ford E-350 Super Duty 6.0L Cuts out VIN: 1FTSS34PX6
Recent injector replacement (6000 miles ago) came back with six cylinders throwing contribution codes. Watching contribution test cylinders 1,3,5,7, are showing negative contribution (1,3,5 all -100 at idle and under a load mainly just cyl 3) Checked relative ...
2007 Ford Expedition EL Eddie Bauer 5.4L Differential VIN: 1FMFK18517
Question of the day. Do you have to remove the steering rack & pinion to remove the front differentail cover? what do you have to do to get the front diff cover off without removing the steering rack & pinion? Alldata doesn't seem to have information on it or...
2008 Ford Focus S 2.0L ignition VIN: 1FAHP32NX8
got an 08 ford focus with a no start. Got a p1260 theft detection code vehicle will no start. Just replaced vehicle ignition switch still no start. Tried clearing the code and testing the starter. Starter cranked but not getting signal from ignition switch.
2010 Ford F-150 STX 4.6L Transmission VIN: 1FTMF1EWXA
Hello all! This [...] is having some shifting trouble. When it's cold, no gear engagement till you rev the motor. Once you get it moving down the road, it has rpm flare when it shifts, and sometimes goes to neutral for a second or two, then catches again. When...
1999 GMC C3500 Sierra SL 6.5L No Start VIN: 1GDKC34F4X
This is a bucket truck that is equipped with remote engine start and shut off so person in bucket can start the engine. I'm not very experienced with security issues and my modis and Autel don't seem to have any access for body or theft system. The security li... Trouble codes: P1626 (vech theft deturant controller serial data), U1000
1999 GMC C3500 Sierra SL 7.4L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GDKC34J3X
Please help with this nightmare. Vehicle back again after we thought we had the problem fixed. Truck runs great when it is cold but after a few days will run consistently poor only when hot. Unrelated to the issue in the last year we have replaced ignition par... Trouble codes: P0172 (Fuel Trim System Rich Bank 1), P0175 (Fuel Trim System Rich Bank 2)
2010 Honda Odyssey EX-L 3.5L Vsa VIN: 5FNRL3H61A
VSA light is on. Has a code 25-1, Yaw Rate Sensor failure. I am finding almost no information for diagnosing this problem. I have not located the yaw rate sensor. This vehicle has been modified for handicap use. The floorboard of the vehicle has been lowered. ...
2006 Isuzu NPR-HD 5.2L head lights VIN: JALC4B1696
head lights do not work, customer installed 2 brand new bulbs. I have power at red/yellow wire going to bulbs. When I turn headlamps on the drl module starts buzzing. Main problem I am having right now is I don't have a wiring diagram. If any one has access to...
2001 Jeep Cherokee Sport 4.0L Misfire VIN: 1J4FF48S61
Hello and thanks for the help. This Jeep has a Golen 4.6 stroker and the recommended injectors from them. Misfires at idle on all cylinders, checked cam sync, it was at 11 and readjusted to zero, cam sync degrees fluctuates about +-2 degrees and still misfires... Trouble codes: P0305 (Misfire Cyl 5), P3013, P0300 (Random Multiple Cyl Misfire)
2004 Jeep Grand Cherokee Limited 4.0L fuel consumption VIN: LE4GJ78594
The vehile come in, customer complaints, engine fuel consumption high,Sometimes the idle speed to 1500 rpm. 100 kilometers to consume 26 liters of gasoline.used tool scanning find p0123 throttle position sensor voltage too high. test voltage, Throttle position...
2010 Kia Soul Sport 2.0L engine VIN: KNDJT2A29A
while driving the vehicle you decel and go to pick back up throttle and there is a hesitation. both cold and warm. while the vehicle is sitting in my bay i can raise throttle at throttle body and right before engine hits idle speed the engine jumps. all motor ...
2001 Lincoln Town Car Signature 4.6L Lighting VIN: 1LNHM82W01
in this car what happened was the passenger side headlight stopped working on normal mode, but does work in highbeam.. when this happened, the "traction control off" light was on and was not able to turn it back on. also, i got a code of B1261 which indecates ...
2002 Mercury Mountaineer 4.6L Transmission VIN: 4M2ZU86W42
Rebuilt this 5r55; installed bronze bushing kits in both servos, new OD planetary assembly and band, master rebuild kit. The planetary had exploded. Spent hours cleaning along the way, new TQ converter. On jack stands, it shifts from forward to reverse fine, b...
2002 Mercury Sable GS 3.0L MIL Lamp on VIN: 1MEFM50U12
Any time veh. Is restarted mil lamp returns on after clearing code. Can drive for hours no problem this car runs new, cold fast idle+ hot idle is correct posted in fix section pcm. Was needed. Po1504 tia. For any lamp stays off till nex... Trouble codes: P1504
2006 Mercury Mariner Hybrid 2.3L Mechanical VIN: 4M2CU98HX6
Hello, We replaced both cracked front flex hoses on this HYBRID Mariner and ever since the brake pedal is very soft and throws codes C1478 and C1480. Replaced these hoses countless times in the past and manually bled like all others without any problem. Reso...
1987 Nissan D21 E 2.4L rev limited 3000rpm VIN: 1N6ND16S7H
The truck runs good but is in fail safe mode limited to about 3000rpm because of the code. Inspected the MAF sensor had 1.5v. checked the injector harness from the computer to the injectors and they ok. The last test was to check injector resistance. Injector ... Trouble codes: 43 (injector fault)
2001 Nissan Maxima SE 3.0L Idle Issue VIN: JN1CA31D61
Car came in and the A/C Clutch would not catch correctly causing and jumpy idle when the A/C is on. So we replaced the A/C Compressor. The issue was still apparent, but it had gotten a lot better than before so we replaced the IAC Valve and the Thermostat just...
2003 Nissan Sentra GXE 1.8L heater VIN: 3N1CB51D33
no heat when at idle some heat when driving down road no sign of blown head gasket useing vac to pull out air when filling will work fair for about a mile after you stop and idle it will get cold and stop working. I am missing some thing simple i know but what...
2003 Nissan Murano SE 3.5L Trans goes into low range default due to VSS error VIN: JN8AZ08W43
Vehicle speed from ABS to TCM does not match the VSS speed of Trans computer so it sets a P1722 code and slams into low range. Very intermittent but it typically has done it on decel or accel at about 35-40 MPH. We did find the TSB for this code and updated th...
2007 Nissan Sentra SL 2.0L 225 amp fuse blown VIN: 3N1AB61E87
car came in with the 225 amp fuse and the #31 fuse in under hood fuse block blown. replace the under hood fuse and tried to crank. we poped the #31 fuse under hood and the #17 fuse under dash, both of them fuses go to the audio system. I replaced all three fus...
1995 Pontiac Firebird Formula 5.7L Excessive Emissions VIN: 2G2FV22P3S
Hello~ Vehicle failed emissions testing due to high NOx, We try must of possibility, like replaced fuel pump (was hard start), o2 sensor, egr valve & solenoid, & ecm. when testing with dyno, egr solenoid duty is not acting, 0 % , Only it work when sudden-accel...
2006 Porsche 911 Carrera 4S 3.8L Rear Window Defroster VIN: WP0AB29916
Rear window defroster does not work. Rear engine cooling fand does not work.
1999 Saturn SL1 1.9L Mechanical VIN: 1G8ZH5287X
On first Start Up Trans Wont Go Into First Or Reverse Unless You Put It Neutral And Hit The Gas Then You Can Put It Drive Or Reverse And It Will Move If You Drive It For About 10 Mins You Can Shut IT Off And Start It Back Up And It Will Go Right In Gear But If...
2002 Saturn L300 3.0L Stall VIN: 1G8JW54R02
This car came in the shop not running. We let it set till next morning and it started right up, but after running 15-20 min it died. Using a scan tool after it died it showed no RPM while cranking engine also had a PO335 code. We checked the crank shaft sensor... Trouble codes: P0335
2005 Subaru Outback i 2.5L MIL Lamp on VIN: 4S4BP61C75
This vehicle came to us from another shop after a 2nd a/f sensor had been installed with no good results. I did some research and found that there is a California emissions and a non-Cal emissions sensor available for this car. According to my research, I foun... Trouble codes: P0154 (O2 Sensor Circuit open Bank 2 Sensor)
1999 Toyota Corolla CE 1.8L Unknown
This corolla arrived to workshop , the costumer compliant that when he drive on the highway at 90km/h the the auto trans not changing to over drive mode and it stuck on 3rd gear.and the engine rpm is 3000-3500 rpm. tried to access for codes but this car not co...
2004 Toyota Sienna CE 3.3L no heat VIN: 5TDZA29C34
I'll start out by saying this van does not have dual climate control!! I have a very weird problem, I'm looking for someone who has seen this. This is my personal van, it has no heat on the passenger side of any of the heater modes(vent, def, floor) The temper...
2000 Volkswagen Jetta TDI 1.9L heater VIN: 3VWRF29M1Y
water temp will not go above 155 f. It had a aftermarket thermostat and we replaced it with a dealer part, same situation. Lower radiator hose is slightly warm and the heater hoses are only warm to the touch. Engine will not exceed 155 f.
2000 Volvo V70 X/C AWD 2.4L Electronic VIN: YV1LZ56D4Y
This vehicle is randomly going into "limp mode" with the forward arrow flashing. The problem happens sometimes after coming to a stop where the customer described the vehicle as "being stuck in overdrive" The vehicle shifts normally at all other times. The flu...
2001 Volvo S40 1.9L misfire VIN: YV1VS29511
check engine flashes on hard acceleration and code p0304 is set.Volvo spark plugs,ignition coils,and injector number 4 replaced.Compression test is good.

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1998 Audi A6 Quattro 2.8L Fuel System VIN: WAUBA34B3W
Thanks to all who replied. The vehicle had no codes but the maf was the culprit. Changed it and problem was gone. Again, thanks to all.
2005 BMW 325xi 2.5L Rejected Smog test VIN: WBAEU33405
Well I learned that the speed signal is not picked up at pin 9 althought this is a speed signal, it is not the one used by the smog machine. It looks like pin 7 is used but the signal appears to be garbage, im not sure what to make of it. I have recommended ...
2007 BMW 530xi 3.0L remote key VIN: WBANN73587
Great replies helped keep this in perspective.Red/white wire at pin#1 in black conn. on right side of diversity unit not powered from fuse 77in rear fuse box.Actual cause was massive oxidation at big multi-pin conn. on power dist. box above battery.Pins actual...
2005 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD54Y65
Thanks for all the input. Unfortunatlly I was not able to fix this problem. We tried everything short of replacing entire wire harness. Unplugged all connectors, cut various wires at pcm, applied 5 volt power to TPS sensor, rewired sensor, cut all other 5 v... Trouble codes: P0172 (Throttle Position sensor circuit low/short), P1811 (Max. Adapt and long shift).
2009 Chevrolet Traverse LS 3.6L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNEV13D69
Due to the fact that you DO indeed need the special tools to do the injector work and since it was covered yet under warranty I hauled this one to the dealer for my customer. Dealer found a stuck-open #5 injector and a damaged #5 piston, both of which were rep... Trouble codes: P0305, P0087 (Fuel Rail pressure low), P02AD, P0191 (Fuel rail pressure/performance), P0134 (02 circuit no activity B1S1).
2002 Dodge Dakota SLT 4.7L Mechanical VIN: 1B7HL48N42
Hello Everyone, First wanted to say Thank You for everyone that helped and replied. Everyone hit it on the head. We changed the Front calipers and hoses and this fixed the brake lock up. The vehicle braked smoothly after the change. Thank you again. Hubert
2001 Ford F-350 Super Duty Lariat 7.3L idle VIN: 1FTWW33F31
Sorry for the late fix. The fuel regulator was the fix for this. The vehicle had more than one problem, customer admitted he was using a very cheap grade of diesel that he got from a company he was working for. After correcting that problem I had to replace th...
2005 Ford F-150 FX4 5.4L 4x4 VIN: 1FTPX14595
Man do I feel dumb, It was the IWE solenoid. The customer had put on a new one that was bad it would not hold vaccume.Thanks to everyone
2005 Infiniti QX56 5.6L ignition VIN: 5N3AA08C15
Replaced ignition relay and replaced spark plugs, the relay was at the bottom of the fuse box so had do hunt for it. Thanks for the help. Bob
2005 Jeep Liberty Renegade 3.7L Misfire, MIL Lamp on VIN: 1J4GL38KX5
we decided to run a carbon cleaner to possibly clean any residue on the valves and after doing that we drove truck about 40 miles with no problems all seems well. Trouble codes: P0430, P0304.
2001 Saturn SL1 1.9L MIL Lamp on VIN: 1G8ZH52831
Thanks for all the feedback guys. I found the ports on the exhaust manifold clogged with carbon. After clearing them out, its working properly. Trouble codes: P0410.
2004 Subaru Impreza WRX 2.0L Misfire, MIL Lamp on VIN: JF1GD29664
Closer inspection found that cylinder 3 injector is bad, the pintle hump is twice as big as the other injector on the same bank. it hasn't been completely repaired yet as he is waiting on money for a new injector but I'm confident this is the issue after seein... Trouble codes: P0301, P0302, P0303, P0304.
1998 Toyota Avalon XL 3.0L Surge VIN: 4T1BF18B6W
Thanks For All The Help That I Got Form Everybody I Replaced The EGR Valve And Let the Customer Drive The The Car And So Far IT Has Bin Running Fine Thanks Again For The Help
2009 Toyota Camry Hybrid 2.4L Air mix actuators VIN: 4T1BB46KX9
First off, thanks to all the guys that responded. Pretty much all the responses were leading me to believe what i already knew. The schematic was useless as far as describing what the wiring did. I thought of swapping the 2 actuators to see if it would show a ...
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