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Prev Professional Automotive Repair Technical Discussions for September 22, 2011
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2004 Audi A8 Quattro L 4.2L Bleeding New ABS Unit VIN: WAUD199999
Had an ABS module that was loosing communication after 1 min of driving, only code present was brake pressure sensor. Replaced ABS unit with used from Shokan (Audi only recycler)and went together fine. Entered login, recoded, set steering angle sensor NO PROB...
1999 BMW 328i 2.8L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: WBAAM5335X
engine will not rev up. All data has no trouble tree it says manufacture won't give it yada yada yada, I am confused here, it has a throttle pedal cable that appears to be going to a throttle body (cant see down there) but yet looking at the code decriptions i... Trouble codes: 169 (Throttle valve system switched off), 112 (throttle valve pontentiometer), 117 (pedal travel signals in consistent), 211 (idle speed actuator mechanical jammed)
2001 BMW 325xi 2.5L sec air,evap,Ho2 VIN: WBAAW33401
Need the BMW gurus for this one! This BMW came in for a emissions test! it Failed due to "Too many monitors not set! this happen 12/10 we looked it over and told the customer to perform car drive cycle! They've put bout 10k miles and the same three monitors wi...
1994 Chevrolet S10 Blazer 4.3L No Power Aft. 40MPH VIN: 1GNCS13W9R
This is one of those I should have turned away but I'm too hard headed, any way I always like a good challenge. He's very unhappy that the last shop sold him a Fuel pump and Injectors but didn't fix the problem, I told him that if I can't fix it I won't charge...
2000 Chevrolet Silverado 1500 5.3L abs VIN: 2GCEC19T9Y
hello techs, I'm working on this truck, No codes stored. Activates abs pump when coming to a stop. Data shows rear wheels going 1 mph slower than the front. This truck is from chicago very rusty under it. Any help will be appreciated thanks.
2004 Chevrolet Aveo 1.6L Misfire VIN: KL1TG66646
Car was towed in barely running, had a p0606. I put another PCM in it and it still ran very poorly, misfiring cylinders 3 and 4. I wasn't getting steady spark, so I replaced all 4 wires. Now I'm getting spark to all cylinders, as well as fuel (I heard each inj...
2007 Chevrolet Express 3500 6.0L Misfire VIN: 1GAHG39U97
Hey this van came in with a p0354 code and a dead misfire on cylinder 4 we replaced the coil with a new delphi coil and reset light and test drove.van was fine drove it just came back about 2 weeks later with the same code,thought maybe a bad coil ... Trouble codes: P0354 (Ignition Coil D Primary/Secondary Circuit Malfunction)
2007 Chevrolet Impala LS 3.5L Mechanical VIN: 2G1WB58K07
Hey guys. have this impala in here for what we thought was a belt and pulley noise. here is what the noise sounds like. sound like almost like a light belt squeal noise/metallic againt metallic chaffing noise. took thebelt off. noise still there. found a bulle...
2002 Chrysler Sebring LXi 2.7L Oil Pressure VIN: 1C3EL55R72
This is a clean well maintained easy driven one owner car. But the oil light comes on at idle after it is warmed up. I recall talking to the Jasper salesman before about another 2.7 that I called about the cost of a rebuild. I remember him saying something abo...
2003 Chrysler PT Cruiser Limited 2.4L MIL Lamp on VIN: 3C8FY78G33
Customer replaced O2 sensor with oem, I found o2 sensor wires chewed threw and they were repaired, I have checked resistance all is within specs and the test precedures led me to pcm replacement because I was not getting a pulsing signal from pcm for heater co... Trouble codes: P0141
2005 Chrysler PT Cruiser Touring 2.4L Excessive Emissions, Hesitation, MIL Lamp on VIN: 3C3EY55E95
Vehicle came in with froze turbo and fairly hard hesitation and code P0171. (Lean bank 1) We have all data and went through their pin point test. We tested and replaced parts as necessarry. Checked vacuum leaks. The turbo seems to work well. I was wondering ab... Trouble codes: P0171 (Lean bank one)
1997 Dodge Dakota SLT 5.2L No Start, Poor Idle Quality, Stall VIN: 1B7GG23YXV
At times it will not start. This problem is very intermittent, so it is hard to diag and get data. Sometimes I can't get data from the pcm. Sometimes the CEL will be on all the time KOEO and sometimes it won't be. Sometimes it will not start unless I hold the ...
2008 Dodge Ram 1500 Truck ST 5.7L Hesitation, MIL Lamp on VIN: 1D7HU18258
just got this truck in my bay.the last guy put a used engine out of a 2006 in this 2008 truck.Camshaft sensor plug has been changed as they are different on the 2006.Truck has a long crank and lack of power.Has anyone run into this on a hemi.The used engine su... Trouble codes: P0340
2009 Dodge Charger R/T 5.7L Suspension VIN: 2B3KA43T29
This police car (and one other in our fleet) rides like an unloaded 1 ton truck. There is no rattle, clunking, or other noise, it's just a ride quality issue. The dealer can't seem to find any sort of issue with the front end and is insisting that the way the ...
1994 Ford E-250 Econoline XL 5.8L Cuts out, engine skips when cr VIN: 1FDFE24H3R
This vehicle came to me with a rough idle, surge and a skip in the ignition. New EGR and IAC was replaced and resolved the rough idle and surge but I still have a skip in the ignition like the it turns off then back on. It's not consistence but happens only wh... Trouble codes: 412 (replaced TPS IAC and EGR and solved this KOER code), 111 (no codes store and engine service light is out on KOEO)
2000 Ford E-350 Econoline XL 6.8L MIL Lamp on VIN: 1FTSS34S2Y
Help!!! we have this 2000 ford e-350 news van that has got us to the point of being commited. This van only sets the codes at idle in gear. Long term trim goes to positive 12% and short term goes to 33.3%. Have done multiple smoke tests at different points aro... Trouble codes: P0171 (Bank 1 lean), P0174 (Bank 2 lean)
2003 Ford F-250 Super Duty Lariat 6.0L Parking lights, dash lights VIN: 1FTNW21P53
This truck came in because it blows the number 17 fuse in CJB causing the parking lights and instrument cluster lights to not work. I replaced the fuse and everything worked fine. I wiggle tested from the back lights to the front, dropped the fuse box and wigg...
2004 Ford E-350 Super Duty 6.0L Cuts out VIN: 1FDXE45PX4
This is an ambulance and a very good customer. Complaint was low power. I found that the boost was dropping off to 0 psi under medium acceleration. Would climb to 10 psi and then drop. We inspected and replaced the turbo(new Ford)because the bearings were loos... Trouble codes: P0488
2005 Ford E-250 5.4L running lean VIN: 1FTNE24L05
Vehicle is setting lean codes. When I block off the pcv port, at the manifold, my fuel trims start to drop. The pcv hose is the completely plastic one and has no holes anywhere. I smoked out the system, and the only place the smoke comes out is a rather large ... Trouble codes: P0171 (System lean bank 1), P0174 (System lean bank 2)
2005 Ford Crown Victoria LX Sport 4.6L keep alive memory VIN: 2FAFP74W75
every two weeks car throws a keep alive memory code ,, simple circuit from battery to fuse box and across engine to PCM , check fuses and changes the memory fuse , check harness for a break and ohmed out circuit ,, also ran a jumper bypassing the fuse and ra...
2006 Ford E-250 4.6L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1FTNE24W86
This one came to us as a problem vehicle, and has stayed that way. The owner has already tried everything that he could based of basic code readings, and the only thing that changed was it stopped throwing fuel pressure codes. This van will run and drive fine ... Trouble codes: P061B, P2107 (Throttle actuator control tac module processor), P0600 (Serial communication fault), P2105 (Tac system - forced engine shutdown)
2007 Ford Edge SEL 3.5L Surge VIN: 2FMDK39C07
Good afternoon. I have a 2007 ford edge brat here that does not want to cooperate. Customer came in a few months ago with a misfire issue code po300 po302 po304. Went through and found 2 bad coils, customer requested we replace them all as he drives vehicle al...
2007 Ford Expedition EL Limited 5.4L abs module VIN: 1FMFK20547
Good afternoon everyone! I need expert Ford help fast! This 2007 Expedition EL with Roll Stability belongs to a customer who swears it was hit by lightning after the last storm we had (TS Lee). Vehicle came in the shop running, with the battery light on and th...
1993 GMC C1500 Suburban SLE 5.7L Stall VIN: 1GKFK16K8P
Hey guys looking for some insight, I have a strange problem on this vehicle. after a few hours of cold soak when engine is started it dies when shifted to reverse but not when shifted to drive, vehicle always starts right back up in park or neutral. This vehic...
2000 GMC Jimmy SLE 4.3L ignition VIN: 1GKDT13W3Y
good afternoon to here we have this 2000 gmc jimmy ran great except intake was leaking l/s front (yea i know they dont do that too often).we had my coworker reseal the intake and all was good except a constant misfire.the misfire data on scan tool showe...
2001 GMC Yukon Denali 6.0L Poor Idle Quality, Hesitation VIN: 1GKEK63U11
I also have a just answer GM Tech help me, but with the recommendation of the TAC module; I installed the new TAC module and the original PCM (not new, but the original one) and I still have DTC's: P1125 and P1286. Originally I had DTC's: P0171, P0300, P1276,... Trouble codes: P1125 (p1286-), P1286
2008 GMC Acadia SLT 3.6L evap core VIN: 1GKER23758
Hey GM guys, We have a 08 GMC Acadia in the bay, it came in for no ac, we sucked out the system and the system was empty, our policy is to recharge the system with dye, and allow the customer to drive the car for a couple of weeks. It came back in and the eva...
2001 Honda Civic LX 1.7L MIL Lamp on, Evap VIN: 2HGES16591
thanks in advance for any input. got and 01 honda civic lx with an intermittent p1456. smoke test shows no leak ether in the way of smoke or on the flow gauge, last time the vehicel was in the engine light actually turned off during a quick road test. vehicle ... Trouble codes: P1456 (Evap contol system leakage Fuel tank area)
2002 Honda Odyssey EX 3.5L alarm system VIN: 2HKRL18682
When it rains the alarm goes off otherwise it's good it is a factory alarm system
2003 Hummer H2 6.0L Chain & Sprockets VIN: 5GRGN23U63
I have an 03 H2 with Borg 4484 transfer case. Vehicle has rattle sound out of the t-case above 15mph, most noticable between 15-30mph. Replacing the chain made it a little quieter but rattle is still there. Any wise words from you guys out there?
2001 Kia Rio 1.5L Ecm monitors VIN: KNADC12301
Hi everyone, I have this 01 Kia Rio that I can not seem to run all the monitors. The Cat, O2, and Fuel monitors is not complete. I followed alldata's drive cycle a couple of times and I also followed my snap-on solus's drive cycle a couple of times. Can anyone...
2005 Kia Sorento EX 3.5L MIL Lamp on VIN: KNDJC73395
I would really like some opinions on this one before I spend this customers money. P0430 comes back within a day if you clear the codes and drive the vehicle. Watching the O2s is tough on this vehicle because the computer/scan tool refresh rate is SO SLOW on t... Trouble codes: P0430 (Catalyst Efficiency Bank 2)
1996 Mercedes-Benz E300 3.0L turn signals VIN: WDBJF20F3T
Hi guys. This merc has a turnsignal issue that the lights dont blink. I have spent considerable time tryting to track things down and realize it doesnt have a simple flasher. At the moment it works 100 percent of the time but at times it doesnt flash. Can anyo...
2003 Mercedes-Benz C320 3.2L Surge, shudder VIN: WDBRF64J73
When driving down the road on acceleration only (under slight load), there is a shuddering type sensation that comes and goes, it almost feels like going over railroad tracks.There is a slight surge felt at times. No codes in the PCM or ESP modules.No missfire...
2004 Mercedes-Benz S500 4Matic 5.0L Door locks VIN: WDBNG84J34
I have a problem with the door locks on this Mercedes. The drivers door is the only door that unlocks, either with the remote or the button in the car. The exterior lights do flash when the remote is pressed. The door, however, does not lock with either, only ...
2004 Mitsubishi Lancer Evolution 2.0L steering VIN: JA3AH86D94
Vehicle came in from another shop and customer complained of hard steering at low speed 1st and 2nd gear when u drive slow and turn the steering gets stiff! I drove vehicle to p-lot and drove in circles and imediatley vehicle binds up and you can hear popping ...
1995 Nissan Pathfinder LE 3.0L Rear wheel bearing VIN: JN8HD17YXX
We are reassembling the rear axle bearing on the shaft with the backing plate. We are using all new Nissan parts, axle, spacer, dust seal, bearing and housing, washer, lock ring and axle nut. When we install the spacer, outer dust seal and bearing housing wher...
2002 Oldsmobile Alero GL 2.2L converter readiness VIN: 1G3NL52F62
GM Master Techs kids car won't pass WI emission test. Readiness test for cat. converter won't set. He's followed factory set procedure for readiness tests 3 times and GM Tech line can't figure it out. After disconnecting the battery all readiness tests set exc...
1973 Porsche 911 T 2.4L Mechanical VIN: 9113110439
I did a 500 mile service, valve adjust, check tune, and oil change. Oil changed with 20/50 Castrol GTX recommended by rebuilder. When car is started the oil warning light is on and the gauge is showing 50 psi cold or 30 psi warm. Light stays on until you rev e...
1999 Saturn SW2 1.9L Stall VIN: 1G8ZK8273X
Vehicle came in on tow truck. Cust. States he backed out of his driveway and started down the street when he came to first stop sign, applied brakes and engine stalled. Restarted fine, but every time brake pedal is pushed, engine will now stall. Complaint veri... Trouble codes: P1583, P1583, P1640 (Quad driver module a)
2007 Saturn Vue 3.5L No Start VIN: 5GZCZ63417
This Saturn was towed into our shop with the customer requesting a new starter. I went out to the car, and it cranked over, but would not fire. I connected a Tech 2 to the car, and there was no communication with the PCM. I pulled listed codes, along with a fe... Trouble codes: U2105 (Lost Communication with PCM), U2106 (Lost Communication with TCM), U1016 (Lost Class 2 Communication with PCM)
1999 Subaru Forester S 2.5L Engine interchange VIN: JF1SF6556X
Planning to replace the engine on this car due to loss of compression in a cylinder and a mystery knock which I believe to be a piston. Used engines are quite rare evidently because this is a one-year only engine. At least this is what I'm told. Others say it ...
1992 Toyota Cressida 3.0L remote alarm system VIN: JT2MX83E3N
OK, I've got a 92 cressida that lost it's remote. It has a TDSE system, but the TVSS owner's guide is useless to reprogram the remote. This Cressida DOES NOT have a reset button on the main ECM which is above the glove box, I removed it, there is no reset butt...
2002 Toyota Sienna CE 3.0L Unknown VIN: 4T3ZF13C32
Hi guys! First time customer on this one. Routine brake check for noise in frt. Slam dunk... machined rotors, replaced pads. Had a hard time getting LR drum off, ended up ruining it to get it off. RH side came apart fine. clean and adjust rear, shipped the job...
2003 Toyota Camry LE 2.4L Mechanical VIN: 4T1BE32K33
I have an oil leak between the head and block. It has a new headgasket on it that we put on 11k ago with new head bolts. I have read some stuff about the threads in the block stripping out. When we installed the headgasket before, the block was good and the bo...
1999 Volkswagen Passat GLS 1.8L Drive-axles VIN: WVWMA63B9X
Customer came in with a vibration concern. The vibration occurs at a cruising speed the most. Under hard acceleration the vibration goes away. We have replaced the right front axle due to seeing excessive movement from the axle. The concern did get a little be...
2004 Volvo V70 2.4 2.4L Hesitation, Surge VIN: YV1SW61T24
Its a 04 v70 non-turbo with a surge on wide open throttle, going up hill. When driving car going up a steep hill, the car is kind of gutless being a non turbo, so you really have to have a wide open throttle. The car accelerates normally until it gets to about...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 Audi A6 2.8L MIL Lamp on VIN: WAUBH64B3Y
2002 Audi A4 Quattro Avant 1.8L Surge, MIL Lamp on VIN: WAUVC58E02
Well after doing the repairs and replacing the blown fuses and still having the problem. I did more rechecks and I found another wire that was chaffed. Anyway vehicle is fixed ECM is good and no damage. Looks like the customer got lucky. Thanks everyone for yo... Trouble codes: P0102 (Mass air flow circ low input), P1425 (Shrt to grd canister purge regulator valve), P1435 (Shrt to grd secondary air injection pump), P1421 (Shrt to grd secondary air injection valve), P1289 (Shrt to grd recirculating vale for turbo).
1988 Chevrolet C1500 Silverado 5.7L Poor Idle Quality, Stall VIN: 2GCDC14K4J
well after all of your welcomed advise i took the tbi apart and on the bottom of the pressure return unit the little pin hole was missing and there was a giant glob of braising in there got a new metering cover and reinstalled vehicle idles like a 88 chevy sho...
1999 Chevrolet Express 1500 5.0L Surge, Stall, MIL Lamp on VIN: 1GBFG15M2X
Thanks to all that replied. I did ck the voltage with a meter at the sensor and the ecm they read the same as scan tool .03 @ closed throttle but if disconnected the tps and jumped the 5 volt and signal the scan read 5 volt that should mean the ecm and wiring ... Trouble codes: P0122.
2005 Chevrolet Malibu Maxx LS 3.5L unknown VIN: 1G1ZT62805
sorry for the delay on this one customer has not returned calls so its still sitting here.after a few phone calls and some research this one does need a new column per the serv bull.i also found that the number given under the service bull. has been superseede...
2000 Chrysler Concorde LX 2.7L Hesitation, Stall VIN: 2C3HD46R6Y
thanks to all that sent me tech help.i replaced positive battery bolt with new old looked rusty maybe not getting tight enough.neg cable was in great condition just made sure it was tight all seems well now.thanks again to all. james
2008 Chrysler Town & Country (Van) Touring 3.8L caliper VIN: 2AHR54P98R
Although this vehicle never acted up while I was driving it, I lubed up the pads where the brake pads fit onto the caliper and the van has not had any issues now for a couple of weeks. Thanks to all for their input. Mike
1999 Dodge Ram 1500 Truck 5.2L Stall VIN: 3B7HC13YBX
As I said before, it was an intermittent open in the IAC motor. I replaced it, and the problem has never returned. Once again, thank you all for your help...
2006 Dodge Ram 2500 Truck SLT 5.9L MIL Lamp on VIN: 3D7KS28C96
Thanks, for the great replies! We found out this truck was still under warranty so the customer decided to take to the dealership. Trouble codes: P0341 (camshaft).
2011 Dodge Ram 1500 5.7L MIL Lamp on, trans. in safe mode VIN: 1D7RV1CT0B
Thanks to everyone! After all it was PCM. Got new today replaced, flasched, learned VIN and all the problems are gone. The truck game in directly from the factory and there was allready soft uppdate sticker on the PCM. The module is only for 11MY THE ORIGINAL ... Trouble codes: P0750 (Lr solenoid circuit), P0581 (Speed control switch 1 circuit high), P0585 (Speed control switch 1/2 correlation), P0882 (Tcm power input low), P1593 (Speed control switch 1 stuck).
1995 Ford Mustang GT 5.0L Poor Idle Quality, Surge, Cuts out, Stall, Misfire VIN: 1FALP42TOS
Sorry for the late reply on this one gentlemen.Being as busy as Ive been it was hard to find the time to make this one happen.Anyways as for the fix...I got in touch with Denso N. America and asked them about specs regarding the part number I posted in the hel... Trouble codes: 412 (no high rpm during self test KOER), 136 (02 lean no switch bank 2), 172 (02 lean no switch bank 1).
1997 Ford Explorer Limited 4.0L Noise VIN: 1FMDU34X7V
1997 Ford Ranger XL 2.3L MIL Lamp on VIN: 1FTCR10A7V
thanks for evryone help realy i learn a our jop realy hard we dont only fix the cars but we have check the new part we instaled. the maf(new) sensore looks read normal after i started the car but after drove it and back to idel start read about 0.1 :0.... Trouble codes: P0171 (System lean bank no. 1).
2001 Ford Taurus SE 3.0L Battery VIN: 1FAFP52211
Thanks everyone for the replies. The problem ended up being the cellphone antenna they installed in the car. We never did figure out how that was connected to the lights, but with it removed and all the other accessories still installed, the draw dropped to ...
2003 Ford F-450 Super Duty XL 6.0L No Start VIN: 1FDXF46P93
I put a new crank sensor in this 6.0 and it fired up. Its been gone ever since. I talked to the customer and he said everything is great. Trouble codes: P006A, P0261, P0401.
2004 Ford F-150 FX4 5.4L Cuts out, VIN: 1FTPW14564
finally got the truck to give me a code for the pcm having an internal short. pcm was under warranty so took it to ford where they told me it was the transmission. I got the vehicle back and put a used pcm in and reprogrammed it problem fixed. now i am dealing...
2006 Ford Freestyle SE 3.0L Valve Train VIN: 1FMZKO4116
Well took a little while but this is what happened,Started churching numbers and recommened used motor,found one and replaced.Later removed cylender heads off old motor,Very bad valve seats and a large amount of ware on the rear mount for the cam that drives w...
2006 Ford Escape Hybrid 2.3L No Start, Stall VIN: 1FMCU95H66
Hello techs: I got 3 replies] Roger from Maine said to check charging voltage. We did and all is fine. 12 V Battery passed tests as well. Our scanner shows an average of 329 volts on Hybrid battery. Also, scanner reads about 63% on hybrid battery charge alwa... Trouble codes: P1A10, B1342 (Faulty Control Module), P0A27.
2004 GMC Sierra 1500 SLE 5.3L RF speed sensor VIN: 2GTEK19T44
Thanks for the replies.The used speed sensor was no good.I installed a shim on the original RF speed sensor and problem is now gone.Also we phoned the GM dealer here and they say you cannot get a sensor seperate from the hub assembly,Maybe you guys can in the ...
2006 Jeep Grand Cherokee 65th Anniversary Edition 3.7L Wheels VIN: 1J4GR48K46
Thanks to all for your input. The solution we have found and adopted for this condition is as follows: Any vehicle that comes in to our shop gets the wheel torque checked and any alloy wheel that is removed and has mild corrosion gets a quick wheel and hub cle...
1995 Mercedes-Benz C280 2.8L Excessive Emissions, Misfire VIN: WDBHA28EXS
Well its just as Don from Alabama put it, i do not have a monthly plan with iatn so i am unable to view the fix database, which is why i asked. as customer requested i replaced the oxygen sensor with no change and preformed a balence test on the injectors usin... Trouble codes: P0303.
1997 Nissan Maxima GLE 3.0L Cuts out, Misfire VIN: JN1CA21DOV
I removed the napa balancer and installed a OEM Balancer. Problem solved. Thanks for the help, guys. I do appreciate it.
2001 Porsche Boxster Roadster 2.7L Starting VIN: WPOCB29831
Thanks for the help guys- the key had lost its programming- nothing we did! Dealer reprogrammed- all is well. Greg and crew
1990 Volkswagen Cabriolet 1.8L No Start VIN: WVWCB5154L
Well, I guess the first car back from vacation being a 90 Ugly Cabriolet that everyone and his brother has attempted to work on did not get my careful attention. I did go through and clean all the grounds, however, the problem was much more basic than that. ...
2002 Volkswagen Passat GLS 2.8L A/C compressor wont engage VIN: WVWWH63B92
Thanks for the reply. we got lucky and a similar passat arrived in our shop.after performing numerous CAN tests and looking at wave forms and swapping cluster and climate control etc we tried the comfort control module located under the driver seat floor area....
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