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Prev Professional Automotive Repair Technical Discussions for August 17, 2012
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Help Request Answers
2002 Audi A4 Quattro 3.0L Misfire, MIL Lamp on VIN: WAULT68E52
This car came in with a check engine light on, 02 A4 3.0 v6. Car owner says it comes on and off. We pulled codes p0300, p0301, p0302, p0303, p1624. Freeze frame says misfire code came on at 5000 rpm. So we cleared the code, and drove it. If you drive it under ... Trouble codes: P0300, P0301, P0302, P0303, P1624
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1997 BMW 528i 2.8L Temperature guage VIN: WBADD6326V
Engine overheats only when idling in park. When driven temp is okay. Turn heat on and temp comes down immediately. Raise engine rpm and temp lowers immediately. Seems like low flow condition. Removed water pump to check inpeller and found no problem.
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2006 BMW X5 4.4i 4.4L Soft pedal VIN: 5UXFB53546
Hey all you euro guys, BMW dealer replaced the front brake pads and after that the customer had and intermittent soft pedal. After trying to get BMW to fix the problem (they kept telling her there was nothing wrong) they said the pedal went to the floor on one...
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1991 Buick Park Avenue 3.8L Poor Idle Quality, Surge, Cuts out, Stall VIN: 1G4CW53L3M
Hi. This vehicle is becoming a pain. It surges and stalls in the shop and will stall after a quick accel and then let off the gas (Like you took off from a light too quickly) I've replaced the listed items. The fuel pressure and volume are within specs. There ...
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1993 Buick Century Special 3.3L No Start VIN: 1G4AG55N7P
This vehicle will not start no fuel. fuel pressure is at factory spec's 44.psi. I'm getting an injector pulse but it seems weak. If I pressurize the fuel system and unplug an injector and ground the ground side of the harness which fires the injectors and drai...
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1970 Chevrolet Monte Carlo 5.7L rocker noise
side to movement of rockers is the problem along with the tic the heads are stock the push rods stock the cam is mild the steel rockers are stock all parts new clueless any sugg greatly appreciated from those of u with more experience in this are...of course i...
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2000 Chevrolet C3500 6.5L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 1GBKC34F3Y
hello fella's this one was kind of dumped in my lap,it is our own company rollback,a former tech of ours has replaced the pump twice and at each pump relacement he also replaced the module and resistor (which has already been relocated)and each time it would c... Trouble codes: P0251, P0215, P0219, P1216, P1218
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2004 Chevrolet Avalanche 1500 5.3L Parasitic drain on battery VIN: 3GNEC12T14
I have a strange one for all the Chevy gurus out there. This vehicle presented with parasitic drain that would drain the battery overnight. Have tested and replaced the battery, due to repeated deep cycles it would no longer hold a charge. Then found that the ...
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2005 Chevrolet Tahoe LS 5.3L Misfire VIN: 1GNEC13Z25
Recuring misfire #3 condition. Replaced plugs and coils. Vehicle has been is several times for the same problem. Any suggesions? Thanks in advance. Trouble codes: P0303 (Misfire cylinder 3)
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2008 Chevrolet Cobalt LS 2.2L Will no pass emissio VIN: 1G1AK58F78
Any one out there that can help a little will be highly appreciated. This car will not run the monitors. Customer has has the car since new. I have replaced both o2 sensors with no luck. I have done the drive cycle with no luck. I have driven the veh for 300 m...
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2003 Dodge Durango SLT 4.7L Starting VIN: 1D4HR48N43
Hey Chrysler techs, This vehicle came in for a starter, cust diag. Well I found that when the key is turned to the run position, the start circuit is exited. Checked for shorted relay, bad ignition switch, shorts in harness, no problems found. There is no afte...
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2003 Dodge Durango Sport 5.9L pcm VIN: 1D4HR38ZX3
Hi guys in need help this Durango came from another shop. the customer states that going down the highway as she turned the cruise off the it stalled like the key was turned off. 1st shop diag it as a computer. They put one in and it went up in smoke instantly...
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2006 Dodge Ram 1500 Truck TRX4 5.7L Cyl #7 VIN: 1D7HU18266
Code p1417 cylinder 7 deactivation control performance.customer stated went through large puddle and missfire started. Related? dont know. Has missfire on # 7 75 psi compression as if cylinder is deactivated. Read on how this works 75 psi is there because deac...
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2007 Dodge Caliber SE 2.0L Hesitation, Cuts out, Stall VIN: 1B3HB28B17
Car came in on tow. battery was dead. found it unusual that with jump box it would not crank sometimes. installed new battery. check engine light was on with 10-15 u... codes. thought that battery voltage being low created this code issue. alternator good no d...
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1995 Ford Mustang 3.8L 3 gear VIN: 1FALP4049S
This has a 3 speed automatic.Soory for the post this site will not allow me to put in an automatic trans. only 5 speed standard allowed with or without serial number.this car came to me from another shop. costomer claims was rebuilt twice there. he claimed thi...
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2004 Ford F-150 Lariat 5.4L Poor Idle Quality VIN: 1FTPW12514
Setting code p0011 after about a half block of driving. Solenoid for bank 1 already replaced by customer with ford part. Can see cam timing error on bank 1 of about 15 degrees when accelerating. Duty cycle 62%. Cam timing error 0 at idle. Suspect cam phaser is... Trouble codes: P0011
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2002 GMC Envoy XL SLT 4.2L oil pressure gauge VIN: 1GKES16S72
This gmc comes in with an intermittent low idle at times and the oil pressure drops low on the gauge. If we raise the idle the truck idles okay and does not feel like its going to stall. It would not do this until maybe a few hundred mile intervals. This occur...
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2004 GMC Envoy SLE 4.2L Gauges VIN: 1GKDT13S24
This is my aunts vehicle and it has been acting up intermittently for a while now. The problem is the gauges quit working some times and the lights all come on when the gauges quit. I have looked around on the internet and have found many failed clusters in th...
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2005 GMC Envoy XUV SLT 5.3L Misfire VIN: 1GKES12M75
Vehicle came in Mon. morning with engine tick, found collapsed lifter on #4.No Compression on #4. Replaced both new (lifters) on cylinder #4. Keep in mind it is a Displacement on demand(DOD) type system.#4 lifters are that type(DOD). We installed a new GM Oil ... Trouble codes: P0304 (Misfire 4)
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1993 Honda Accord EX 2.2L no start D4 light flashes VIN: 1HGCB9879P
Intermitant no start when D4 light flashes engine turns over but doesnt start when it does start if D4 light is still flashing trans is in limp home mode then later its all cleared up and good for weeks. Have not seen it act up we pulled ECM and TCM no corro...
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2007 Hummer H2 6.0L p/s steering VIN: 5GRGN23U67
need help this one has gone thru 3 different shops to no answer. steering pump, gear box, all have been replaced . only one time has pump been from dealer. done flush. help help help. also new drive axles, upper and lower ball joints, new pitman arm.
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2001 Jeep Grand Cherokee Limited 4.7L Oil Pump VIN: 1J4GW58N61
Anyone have any short cuts for removing idler gear without removing valve covers and cam chains for an oil pump on 2001 grand cherokee 4.7 my mitchell, alldata and real time all show from 6 - 8 hours, it is closer 10-12 hours
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2004 Jeep Grand Cherokee Laredo 4.0L No Start VIN: 1J4GW48S24
I have this jeep, it will crank but not start. Unable to communicate with the proccesor to check for codes, the yellow light with the key will stay on. Battery is good, all fuses are good, when key is turned on none of the relays click, checked for power at th...
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2006 Kia Spectra EX 2.0L engine VIN: KNAFE12286
Car is a relative's and I'm trying to fix it...for free of course. I found a used engine I want to "freshen up" but the aftermarket suppliers want a build date for stuff like the timing components. I don't know Kia and am looking for advice. The above VIN nu...
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2007 Kia Sportage EX 2.7L Stall, Misfire
First off thanks in advance.I have a 2007 Kia Sportage 2.7 V6,it was dropped off the other night customer complaint was stalling wont run starts up puts it in gear shuts off.Tech retreived a p0300,301,302,303,&305.The car runs fine for us drove approx 10 miles... Trouble codes: P0300, P0301, P0302, P0303, P0305
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2004 Land Rover Range Rover HSE 4.4L pre charge pump check valve VIN: SALMF11414
vehicle has pedal going to floor slowly like bad master cylinder. replaced master cylinder and no change. clamped off suction hose to precharge pump and pedal is more firm but suction hose swells up like a balloon between pump and clamp. removed precharge pump...
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1999 Mercedes-Benz ML320 3.2L 2-3shift limp mode VIN: 4JGAB54E2X
Hi! ok first thing first,i change the oil and filter,( no so bad inside the pan )and the conductor plate and the socket, cleaned the connector,no oil in the etc.Road tested same thing,limp mode,no 3 speed and code 147, on the scanner i don't have the speed for...
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2004 Mercedes-Benz c180kompress 1.8L Poor Idle Quality, Surge, MIL Lamp on
when hot and idling,engine sounds to be flooding,black smoke curling from exhaust,all values in specs,but cannot get SELF ADAPTION ENABLED to go to yes,which makes all the 3 adaption ranges stay on zero,have replaced air flow sensor,coolant temp sensor,after c... Trouble codes: 20290
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2006 Mercedes-Benz ML350 3.5L camshaft VIN: WDC1641862
After some research i suspect i need to check the balance shaft gear and replace anyone else have experence of this fault? Thanks for help. Frank
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2003 Mercury Grand Marquis GS 4.6L No Start VIN: 2MEFM74W73
Hi, all ford tech. This car came in for a/c problem ,compressor would not come on.so we asked our longtime customer to leave the car, about 2 hours after customer left ,and got open bay. Attempted to bring the car in. But she didn`t start had to push her in. S...
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1999 Mitsubishi Eclipse GS 2.0L compression VIN: 4A3AK44Y6X
Thanks in advance to all of you fellow members. This vehicle has been a complete nightmare. I will make this as short as possible. Vehicle came in as a no start. Diagnosis revealed a blown t-belt, and all the pulleys associated. I informed the customer that th...
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1995 Nissan Pickup 2.4L No Start
have a nissan pickup at times wont start at times will start when release ign key has weak spark when cranking also at times acts like its out of time ck fuel pressure ok replaced ign module no change checked all grds and power sources ok checked for shorted w...
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2005 Nissan Pathfinder LE 4.0L vents VIN: 5N1AR18W85
Im having a problem with the ac on this pathfinder. Going down the road the vents will blow warm air sometimes. I hooked up our verdict scanner and found no codes. I tried to get codes out of the controller head for the self diagnosis fuction, but I cant get i...
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2005 Nissan Altima S 2.5L Poor Idle Quality, MIL Lamp on VIN: 1N4AL11DX5
Hello thanks in advance for all help .. Is it possible to adjust idle without consult ii .. We did a valve job and the idle remained high with code p0507 and idle will go up and down at times as well .. Had ran into this problem before but sent it to dealer fo... Trouble codes: P0507 (High idle)
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2006 Nissan Sentra S 1.8L MIL Lamp on, No thrittle response VIN: 3N1CB51D26
Vehicle came in with code p2101 stoted current, CEL on and no throttle response. Replaced throttle body and performed idle relearn without scanner. Relearn without scanner did not work. I had Nissan do relearn with scanner and it worked good. Returned vehicle ... Trouble codes: 2101 (throttle actuatoe), 2118 (throttle actuator)
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2004 Pontiac Grand Prix GT1 3.8L No Start VIN: 2G2WP52294
Vehicle sometimes cranks but won't start or dies while driving. Found that there is no spark. Referred to ignition diag chart and 3x and 18x crank sensor pids show crank rpm but "CMP Sensor Signal Present" is "NO". Was referred to crank position sensor diagnos...
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2005 Pontiac G6 GT 3.5L odometer/electric pedel hight adjuster VIN: 1G2ZH54885
good morning everyone hope your summers going well.so i have this 05 g6 we purchased at auction and recently sold.when we got it the drivers visor was missing and the wiring for the lamp was cut.this caused severe wire damage (read a whole lotta melted wiring ...
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2008 Pontiac G6 GT 3.5L blower motor VIN: 1G2ZH57N58
morning i feel like a fool on this one. the blower motor is dead, but it looks like it's molded into the lower heater housing cover. the replacement (aftermarket) is a flange with 5 bolt holes. the dealer shows a motor and a retaining ring. do i have to cut t...
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2001 Subaru Outback 2.5L Mechanical VIN: 4S3BH66541
After driving a while the oil filter o-ring blew out. I replaced the filter now it looks like the rear main is leaking. I installed a oil pressure gauge it reaches 92 psi cold on hard accel, when warm 80 psi is max. Idle is around 10 psi hot. I suspect a oil p...
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2005 Subaru Legacy i 2.5L wheels VIN: 4S3BL61665
I have a Subaru that i am having some trouble with when turning at slower speeds the wheels bind. I have done some research and found the fluid is common to make the awd clutch bind we replaced fluid and clutch pack with no change. I do not get any transmissio...
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2001 Toyota Camry CE 2.2L Poor Idle Quality, Stall VIN: 4T1BG22K01
This car has been to sevrel shops. Cust. Complaint was that car stalls with a/c on after a while of driving when test driving it happendto me once after along time of driving . When going to a complete stop the il=dle would go as low as 300 rpm and feels like...
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2005 Volkswagen Passat GLS 1.8L St. Angle Sensor VIN: WVWAD63B55
Hello VW techs, we have this Passat that at times the traction control light comes on, not the ABS, sometimes will get code for st. angle sensor, and the car will also loose power. When light is off all is good. We have checked the angle sensor and shows good ...
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2006 Volkswagen Golf GLS TDI 1.9L MIL Lamp on, low powere VIN: 9BWGR61J26
Hi VW techs, this one only happens after a long grade. Around town and on highway runs well. It does seem that when first starting out in first gear it's a little sluggish but takes right off when turbo kicks in. Before it was a total dog. The new turbo did no... Trouble codes: 16791 (EGR curent low), 16627 (wategate solenoid), 17903 (Egr), 16618 (Turbo overboost)
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Bentley Arnage RL 6.7L vacuum lines VIN: SCBLC31E92
Well, on this repair I was never able to find the vacuum diagrams, however took a good guess and I'm 99% sure that everything is back to where it needed to be. Thanks guys for the dealer suggestions and I did give them a call. However,they were a bit pricey....
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2000 BMW 323i 2.5L Cooling Systems VIN: WBAAR3345Y
the vehicle is fixed,replaced cylinder head(the old one cracked in a very odd location.replaced all hoses and thermostat,flushed system.every thing looks good,possible the head it self had flaw in it,
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2005 Buick Terraza CXL 3.5L Lifters VIN: 5GADX33185
Due to time constraints, we wound up installing a used engine in this vehicle. I got a real good deal on the replacement engine, so rather than rack up a lot of labor time dissecting the original, we replaced it with this low-mileage one. When we slow down thi...
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1959 Cadillac Series 60 Fleetwood 6.4L flexplate
Many thanks to the 4 who answered, I am fitting the narrow plate with shims that I will make out of shim stock then send it all away for ballancing... God Bless you and yours Ernie
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2007 Cadillac CTS 3.6L MIL Lamp on VIN: 1G6DP57797
FIRST THANKS EVERYBODY FOR ALL YOUR HELP, AND LIKE MOST SUGGESTED THE CHAINS WERE STRECHED AND A COMPLETE TIMING JOB RESOLVED THE PROBLEM. AS LONG AS YOU BUY THE SPECIAL TOOL FOR TIMING THIS ENGINE ITS A VERY STRAIGHT FORWARD REPAIR, THANKS AGAIN. Trouble codes: P0018 (Ckp- int cmp correlation b2), P0017 (Ckp-exh cmp correlation b1), P0008 (Engine position system performance b1).
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1999 Chevrolet Silverado 1500 5.3L Misfire VIN: 2GCEK19T3X
first of all thanks for everyones responses. . all very good info. i always lears a lot off of iatn. i was doing more research in the forum section of iatn and found a lot of stuff on crank angle relearns and misfires. so i decided to perfornm. a crank angle ...
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2004 Chevrolet Trailblazer LS 4.2L Surge VIN: 1GNDS13S74
thank you for the help. it was a bad fuel pump. the first time i tested it, i got about 20 ounces in 30 seconds of fuel volume. i went back & tested pump again & it would put out about 8 ounces & then die. Trouble codes: P0420.
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2006 Chevrolet Uplander LS 3.5L programing used pcm VIN: 1GNDU23L06
Well thanks to all that have replied.Customer doesn't want a rebuilt computer. Can't scan (should be able to scan it on the generic side) or pull a vin # out of 2 used computers. Programming a used computer I have always been able to read the VIN you change it... Trouble codes: P0335 (Crankshaft position sensor circuit).
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2007 Chevrolet Equinox LS 3.4L po966 VIN: 2CNDL13F27
Well after testing, the Tcc checked ok. Ended up being a bad Tccm. Installed, relearned, & all is great! Thank you Matt & Justin for your help. Especially to Justin for getting us the needed diagrams needed to do the proper testing.
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2007 Chevrolet Colorado LT 2.9L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 1GCCS13927
Sorry for the delay the customer went on vacation and just got back. I removed the solonoid and found 1 screen broken the others plugged with crud. Replaced it and test drove yesterday for 30 min and all seemed ok so I am going to call it fixed. Trouble codes: P0014.
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1998 Dodge Grand Caravan SE 3.3L coolant fans VIN: 1B4GP44G5W
Replaced the fan module with a dealer module Aftermarket fan module was pulling to many amps
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2005 Dodge Durango SLT 4.7L Excessive Emissions, Poor Idle Quality, Stall VIN: 1D4HD48N85
HI, EVERY ONE. THANKS TO ALL OF YOU ,FIND A CRACK AT END OF INTAKE MANIFOLD ,NEW INTAKE INSTALLED AND SHE IS OUT OF HERE. THANKS AGAIN MATT Trouble codes: P0068 (Manifold pressure/throttle position correlatin), P0301 (1 cylinder misfire), P0172 (Rich), P0175 (Rich).
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1994 Ford E-350 Econoline Club Wagon XLT 5.8L Reverse No Forward VIN: 1FBJS31H4R
Found a shop in rock spring. Not an iatn member, but seemed helpful. Trans blew front pump seal. Had it replaced and van is fine. I was hoping that there was iatn shop in this city, but no response.
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1999 Ford F-150 Lariat 4.6L Wipers VIN: 1FTRX18W5X
Good morning This truck needed an OEM multifunction switch to cure the wiper problem. Thank you for all the good suggestions.
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1993 GMC P3500 6.2L Turn Signal VIN: J8DC4B1K1P
I apologize for not closing this request yet, other more pressing work has come in, so we havent' been able to spend too much more time on this one. An intermittent break in the wiring between the column and the flasher unit seems plausible. I will update this...
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1999 GMC Safari SL 4.3L air flow VIN: 1GKDM19W9X
Took apart the HVAC unit and found broken mode door. broken at hinge.
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2003 GMC Sierra 1500 SLE 4.3L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 1GTEC14X43
checked back pressure, replaced cats, ran good. thanks to all! cmp sensor took care of cmp code. still had cam retard of 13. did not set codes after several test drives. customer was satisfied and outof money. did not pursue cam retard issue. Trouble codes: P0101, P0102, P0174, P0341, P0756.
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2001 Jeep Grand Cherokee Limited 4.7L hydraulic fan VIN: 1J4GW58N61
Tanks for all of your help. I received 2 responses that said the P/S pump was weak. I replaced the pump and still had the same problem. I also flushed the P/S system and found quite a bit of debris and metal shavings so the pump was on its way out. Next ...
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2002 Land Rover Discovery Series II SD 4.0L Ignition VIN: SALTL15482
Hi looks as though we may have to take this to the dealer . Can't afford auto logic at this time. Thanks to all George
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1997 Mazda Protege DX 1.5L Not Charging VIN: JM1BC1410V
Thank you to those whom took the time to help. This thing had a bad alt. the problem was that the info in aldata and shop key was lack luster at best. The flow chart was not worth the time it took to read. Here is some good info on diagnosing a charging sys...
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2006 Mini Cooper S 1.6L 6-5shift & Reverse engaugement VIN: WMWRE33506
Thanks to those who responded. Car Is fixed. Talk to our customer today and car has had a lot of miles put on it and transmission has been fine, all shifting issues have been fix with the software update. Thanks again
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2000 Oldsmobile Intrigue GLS 3.5L Timing Chain VIN: 1G3WX52HXY
Thank you for all the responses, we will use a bore score to check for marks on the pistons and recommend rebuilt heads with the chain job. Thanks again.
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1998 Pontiac Grand Am SE 2.4L No Start, Hesitation VIN: 1G2NE52T6W
I opted to go ahead and replace the instrument cluster. I have driven it numerous times without a problem. Codes did not return as well. John suggested installing a resistor in the pass key circuit. I have done that in the past and it worked. However, this veh... Trouble codes: P1629 (Theft deterent system crank signal malfunction), P1171 (Fuel system lean during acceleration), B1024 (Vehicle theft deterent fail enable due to bad R-code).
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2005 Pontiac Sunfire 2.2L instrument cluster VIN: 3G2JB52F85
Thanks guys. Robert mentioned checking for AC ripple, so I did, but that was ok. The battery passed a load test, but was not great. Based on how "glitchy" this concern seemed, I decided to try a brand new battery before going with an ECM.I pulled the battery, ...
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2008 Scion xB 2.4L convertor clutch VIN: JTLKE50E78
I'm sorry for the news but the customer opted to take this one back to the dealer. I had great brainstorming from ideas like a misadjusted brake swithc, engine and fuel controls and thoughts or weak line pressure, but before I could do any more testing the veh...
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1993 Toyota Camry LE 2.2L No Start
Thank you very much for your help with this camry. I made another thorough visual inspection of wiring and found no smoking gun. I ended up putting in line fuse on power circuit to pcm. I also fused the EFI circuit from cjb. Then I removed the vsv for egr and ...
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2002 Volkswagen Jetta GLS 2.0L No Start, Cuts out, Stall VIN: 3VWSB69M42
Thanks everyone for the replies. Found that there was a issue with the immobilizer system. Had to take it to the dealer for them to reprogram the immobilizer system. Once we got the car back the car would shut off randomly and still had a crank sensor code. Re... Trouble codes: P1570 (Engine start block by immobilizer - intermittent), P0321 (Engine speed sensor g28 - implausible signal), P0686 (Ecm power relay control circuit j271 - short to ground).
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2004 Volvo S60 2.4 2.4L cv joint VIN: YV1RS64A64
I know it always seems like such a logical answer after the fix! Both drive axles seemed to visually rotate the same in the vehicle and we couldn't feel anything funny when we removed the right axle shaft. After installing a new unit the complaint is completel...
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2004 Volvo S60 2.5T 2.5L Surge, Cuts out, MIL Lamp on VIN: YV1RS59V94
Replaced with good used turbo assembly for a trial. First it improved the performance of the vehicle since old turbo was not working. Customer picked up 10 days ago and said runs like a champ without any issue. I guess that the amount of air flow ECM expecti... Trouble codes: ECM98, ECM98.
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