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Prev Professional Automotive Repair Technical Discussions for June 1, 2011
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Open Help Requests for All Makes and Models
Help Request Answers
2005 Acura MDX 3.5L Vsa VIN: 2HNYD18815
I need to perform and test the vsa sensor neutral position memorization and can't figure out which pin on dlc is called scs circuit. All info i have says to short scs circuit to ground using hds . I'm sure that's hondas scan tool while i hace an iscan 2 which ...
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2001 Audi A6 Quattro Avant 2.8L front Diff VIN: WAUZZZ4BZ1
we have an oil leak from what appears to be from a drain or breather hole located on the r/hand side of the transmission case about half way along the length of the trans pan. The hole is small and appears to go up to the tunnel that the pinion shaft for the f...
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2002 Audi A6 Quattro 2.7L MIL Lamp on VIN: B02N072089
This is only code that come back is rear 02 code. Trouble codes: P0159 (O2 Sensor Circ. Bank-2 Sensor-2 slow Response)
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2002 BMW 745Li 4.4L navigation VIN: WBAGN63492
I Drive, several systems in the I Drive are inop. No Navigation, Radio, Service interval, Clock. I believe the nav control unit bad due to the fact that nav cd will not eject. Had other model BMWs in shop and Nav unit was bad can effect other parts of CAN syst...
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2006 BMW 325i 3.0L servomotor installation VIN: WBAVB13506
Need help from BMW techs, removed the valvetronic servomotor to replace a leaking valve cover gasket (and 2 broken valve cover bolts)and need help to reinstall it. Alldata won't show any info on it, just say to "turn the screw and remove it". I also found out ...
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1999 Buick Century Custom 3.1L Poor Idle Quality, Hesitation, Misfire VIN: 2G4WS52M8X
The car idles poorly at cold start for about 30 seconds and then clears up. It seems to surge like a vacuum leak but we have been unable to find any leaks with a smoke machine. The vacuum gauge shows 18 inches of vacuum at idle when its not having the issue. I...
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1976 Chevrolet C60 350CID steering pump VIN: CCE616V116
The power steering pump has been replaced and the problem I am having is after I fill reservoir to the proper level and bleed the air out of the system , everything works fine. After driving vehicle and shut the engine off the fluid comes out of the filler cap...
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1996 Chevrolet S10 4.3L No Start VIN: 1GCCS19X4T
customer in for intake gaskets performed repair and now vehicle is a no start... vehicle ran well before repair. I have changed full distributor, coil and module... fuel pressure is fine.. has spark.. will not start with starting fluid either... at wits end sp...
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2003 Chevrolet Silverado 1500 SS 6.0L Hesitation, Misfire VIN: 2GCEK19N23
This vehicle idles rough but the major concern is lack of power, ses on, I have misfires on 2,4,6,8 cylinders heaviest on 6, feels like the exhaust is restricted but the converter temp seems to be about the same side to side, misfire gets very severe under loa... Trouble codes: P0101 (MAF out of range), P0300 (random cylinder misfire all on left bank even cylinders)
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2003 Chevrolet Silverado 1500 5.3L Abs Light VIN: 2GCEK19TX3
Truck has abs and brake light on , no comunication with scanner ... replaced abs module and still have abs and brake lite on with no comunication ... have power and ground to abs module , so where do we go from here any help appreciated
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2004 Chevrolet Trailblazer EXT LS 4.2L Poor Fuel Economy VIN: 1GNDT13S34
get a real strong gas smel from rear off car when stoped, started last winter, live in high snow belt in northern mi. have seen a lot of snow from the road slush packed up at the e-vap canister inspected it looks good no codes are set.this is my wifes ride she...
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2004 Chevrolet Aveo 1.6L Misfire VIN: KL1TJ62624
Looking for some help on emission failure ..04 Aveo..had used engine installed after previous engine blew a rod ..car has failed e tests since .First tests readings were CO% limit .37 result .58 HC limit 66 result 9 NOX limit 505 result 15 dilution 15.6 High c...
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2001 Chrysler PT Cruiser 2.4L Misfire VIN: 3C8FY4BBX1
Thanks guys for taking the time to read and answer my help request. I have had this pt cruiser for about 3-4 weeks now. It came in for a check engine light(code p0300). I looked it over and did my normal routen for misfires. The misfires seem to happen when y... Trouble codes: P0300
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2003 Chrysler PT Cruiser GT 2.4L Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 3C8FY78653
The car came in with a check engine light on and a p0344 cmp sensor circuit intermittent and customer complaint that the car wont go above 2500 rpms. We checked it over and replaced the cam sensor still has the same problem. If you shut the car off and restart... Trouble codes: P0344 (Cam sensor)
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2004 Dodge Grand Caravan EX 3.8L Brake Light VIN: 1D4GP24RX4
The caravan has a problem with the brake light coming on when the van is in reverse, on when the cruise control is activated. The brake light will come on when the vehicle is sitting it the bay koeo or koer. It does seem to take a timed delay before it comes o...
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1992 Ford Explorer Eddie Bauer 4.0L Oil and Temp Gauge VIN: 1FMDU34X9N
The engine on this vehicle was rebuilt a short while ago. The customer complains that the voltage gauge drops periodically(ran battery and alternator test=good). When voltage drops oil pressure on gauge rises along with the temp gauge. Checked both sensors and...
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1996 Ford Explorer Limited 4.0L Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy VIN: 1FMDU34X2T
hello fellow techs this one is a conundrum to me.it's the accountants car so really feeling the pressure.the first complaint was rough running at idle and lack of power when i looked at o2 sensors they were flatlined so put used ones in from running car.at thi...
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1998 Ford Mustang GT 4.6L Temperature Gauge VIN: 1FAFP42X6W
Car came in with several unrelated brakie issues and the temperature gauge reads full hot. Checked wires from sensor to cluster and couldnt see any issues. Ohmed the temp sensor and started the car and watched the resistance slowly decrease as the engine warme...
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1999 Ford Explorer Eddie Bauer 4.0L Drivetrain VIN: 1FMDU34E7X
Hope you guys can help me with this one, Customer came in with symptoms of banging, binding, thumping noise he felt it was from the frontend. Roadtested and felt like 4wd was tring to engauge it has the auto-4wd system in this one it makes the noise in auto4wd...
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1999 Ford F-250 Super Duty XLT 7.3L No Start VIN: 1FTNX21F5X
Hey guys I need a little help with this one.Truck lost power and stalled on road and will not start now.Codes 1293 and 1294. Following alldata test, I get over 1 volt on injector power feed wires,2.8 actually.Is this right? There are different answers in the ... Trouble codes: 1293 (high side open bank one), 1294 (high side open bank two)
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1999 Ford Taurus SE 3.0L detonation!
The 04 engine is almost exactly like the 99 engine, except for the intake manifolds. I have all of the vacuum lines hooked up and all sensors. I am running the 99 fuel rail and coil packs with new 99 wires. I was getting a couple of DTCs, for the DPFE and CMP ...
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2000 Ford E-250 Econoline 5.4L Reverse VIN: 1FTNE24L1Y
This van had a Ford reman trans installed 60k ago with no issues until now. The owner said he heard a loud snap noise and then no reverse. On a test drive, it had all 4 forward gears. I did not try low 1 for engine braking. I just assumed a loud snap with all ...
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2003 Ford Expedition Eddie Bauer 5.4L Horn VIN: 1FMFU17L43
I have searched all over this truck,trying to locate the Horn Relay. The owners manual states Relay 301 to 305 are not serviceable by owner. I have looked at wiring diagrams and checked Alldata and still cannot locate it. It is relay 305. Alldata says it is in...
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2003 Ford Explorer Limited 4.0L No Start VIN: 1FMZU73KX3
Vehicle towed in for a crank no start. Put pressure tester on and found pressure to be low. Replaced pump with ford pump straight from dealer. Went thru no start schematic on alldata and pressure drops off heavily when unplugging the intertia switch. Replaced ...
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2004 Ford F-150 FX4 5.4L No Start VIN: 1FTPX14594
vehicle has bad fuel pump driver module and will not start. i disconnected module connector and put a paper clip between power from relay to pump supply and paper clip between chassis ground and pump ground supply in the connector. truck runs fine this way. my...
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2006 Ford F-350 Super Duty Lariat 6.0L Steering Gear VIN: 1FTWW31P86
I replaced the steering gear for power assist in one direction only, and this fixed that problem. Now it now has an under sensitive problem. When the assist starts, it then seems to be over sensitive. I replaced the gear with another motorcraft steering gear,...
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2001 GMC Savana 3500 SLT 5.7L No Start VIN: 1GDJG31R01
OK guys I was called in to program a pcm for this van. The shop said the old pcm was junk. The van was towed in for died whil driving issue. I went to program the remanned pcm and it errored out. When I called gm techline with the error codes for the programmi...
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2003 Honda Odyssey EX 3.5L battery voltage, trans solenoid supply voltage VIN: 2HKRL18943
i have a weird one here. customer comes in saying they think they need a transmission. upon inspection what im finding is the van shifts fine, drives fine, for a van with 200k. but... when driving at 55 mph in drive then slowing down to stop the battery voltag...
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2005 Honda CR-V EX 2.4L fuel pump VIN: JHLRD685X5
thanks in advance for any help on this one.crv was towed in as a "no-start".found 2 fuses blown. #17-fuel pump,and #19-turn light(i couldn't shift it out of park). replaced both fuses and all is well.checked fuel pump amperage draw,6-8a.there doesn't appear to...
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1996 Infiniti I30 3.0L battery VIN: JNKCA21D5T
Please help. This car has been an ongoing problem and seems to be getting worse. Parasitic draw is a little higher than i would like it. Sometimes at .082, but sometimes drops down to .062. It will sit for us over the weekend and still start fine, but customer...
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1999 Jeep Grand Cherokee Laredo 4.0L Surge VIN: 1J4WGW58S2
hello fellow techs help again. this is my wifes jeep. just replaced engine and trans. jeep ran good up to now engine starts right up runs good most of the time. but once in a while you start it up and it will start surging feels like it is going to die then it...
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2004 Jeep Wrangler X 4.0L engine, clutch VIN: 1J4FA39S44
First and foremost, I would like to take the time to thank everyone for reading and responding. This one is going to be super easy and the only reason for me posting this request at all is explained at the end of this request. I would also like to apologize fo...
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2005 Jeep Grand Cherokee Limited 4.7L Misfire, MIL Lamp on VIN: 1J4HR58N75
I have another "interesting" vehicle. This one is a 2005 Jeep Gr. Cherokee 4WD with 4.7L V-8, & 110K on the odometer. Cust complaint is MIL activation. Pulled code P0305 misfire. Code will set if you fire up cold eng & drive: 15-30sec runtime, 3000+rpm, 45-60%... Trouble codes: P0305 (misfire)
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1999 Lexus RX300 3.0L no 4th tcc VIN: JT6HF10U7X
U140E Transmission works good when you first take off cold. od cancel on and off will go in and out of od and tcc. After driving few miles less than 4miles will not shift into od and no tcc. Found information of knock sensor problem and will set a knock sensor...
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1975 Lincoln Mark IV 7.5L suretrac VIN: 5Y89A82813
i bleed the system and started the car to much presure comming from the gear box return line going to the cooler also hissing noise when brake is applyed
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1994 Mazda Miata 1.8L Cuts out VIN: JM1NA3531R
Got this Miata that once it has warmed up for about 30 seconds starts cutting out like a rev limiter once you accelerate above 2000 rpm's.The first 30 seconds it runs fine. Maf was tried and disconnecting the tps makes no difference. It is definitely shutting ...
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1997 Mazda 626 LX 2.0L MIL Lamp on VIN: 1YVGE22C8V
Hi Guys, This one is kicking my ass. The initial complaint is failing California smog inspection for MIL on. Passed tailpipe portion of test. Customer had failed at another shop a month prior to coming to my shop for consumer assistance repairs. During the t... Trouble codes: P0300 (random multiple misfire)
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1999 Mazda Miata 1.8L Mechanical VIN: JM1NB3537X
Hey guys. I'm going to need some advice on this one. I just bought this car for myself and its making bottom end knocking noises on acceleration. It only makes noise when you first start it up for a second, when you rev up the engine, and also while you accele...
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2002 Mazda Protege DX 2.0L MIL Lamp on VIN: JM1BJ52251
This car runs decent, slightly rough idle. Check engine light came on with P0421. Looked at O2 sensors, front one switched at about .5 of a cycle per second. I thought this was very lazy. Put in a new sensor, and it switches not much faster - about 1 time per ... Trouble codes: P0421 (Warm up Cat efficiency)
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1982 Mercedes-Benz 380SL 3.8L No Start VIN: WDBBA45A6C
car has been sitting for some time, when it did start and run it would run rich. then it started to start and die a couple of times till it would stay running. now it will only start for a second or two then die and at times just crank no start. i drained the ...
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1982 Mercedes-Benz 380SL 3.8L Poor Idle Quality, Surge VIN: WDBBA45A4C
well I am not familar with the CIS fuel system and i am not finding any info that would help me figure this out. when I start the car after sitting for a while the idle bounces around. I smoke checked the intake and the vacuum lines and didnt find any vacuum l...
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2000 Mitsubishi Montero Sport ES 3.0L transmission problem VIN: IN6D26SWWY
does any knows a sorce to rebuild mitsubishi pcm?i have 2000 mitsubishi montero spot with pcm problems.new one $1,500 plus $500 for programming aaauuhhh.mariano kee-up the good work.
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1996 Nissan Pickup XE 2.4L MIL Lamp on VIN: 1N6SD11SOT
MIL light is on. Is there a way to retreive codes on this truck without a scanner? I don't have the cable for my Genisys. Thanks for the help.
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1998 Nissan Altima GXE 2.4L Stall VIN: 1N4DL01D3W
this car runs great, good power, etc. a little timing chain noise when throttle is blipped. no oil in distributor, fuel pressure good. after running for approx 15 minutes car will die while idling. restart, will die again. restart with accel pedal cracked, wil...
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1998 Nissan 200SX 1.6L Cluster VIN: 1N4AB42D1W
Customer stated dash light inop. Diagnostic verified dimmer switch bad, replace with dealer part. Light come back but no brightness adjustment. Diagram show no other parts control lighting other than dimmer switch. Thinking it was a defect part, order up anoth...
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2004 Nissan Xterra SE 3.3L compressor VIN: 5N1ED28T54
Ok nissan techs, I could really use your help on this one. 2004 xterra comes in not cooling. checked pressures and found lowside at 70 and highside at 100. Checked fan operation and it seems to be pulling air through pretty well. Replaced exspansion valve and ...
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2006 Nissan Xterra SE 4.0L Lockup VIN: 5N1AN08WX6
Greetings to all,this nissan has a slight chatter when it goes to lockup.i recommended changing the fluid.i removed the drain plug on the pan and noticed the color of the fluid was not good.long story short the trans cooler in radiator is leaking i wanted to c...
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1995 Other GM 4700 .0L final drive VIN: 1HTSCAAMPO
i am not familure with these trans issues and need some ideas. i adjusted the tp and no change. i disconnected the tp maually operated and vehical upshifting is not correct as i would expect. i have heard some are modifying these trans to shift early but dont ...
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2006 Other GM h3 3.5L Misfire, MIL Lamp on VIN: 5GTDN13626
this veh. arrived with missfire,seems to be a vacuum issue,cant find any leaks.any ideas? thanks Trouble codes: P0300
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1999 Pontiac Grand Prix SE 3.8L MIL Lamp on VIN: 1G2WJ52K2X
P1133 oxygen sensor 1 insufficient switching Trouble codes: P1133 (Ho2s insufficient switching sensor 1)
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2006 Pontiac GTO 6.0L Ignition key cylinder VIN: 6G2VX12U26
Ocassionally the key cylinder acts up and will not turn. If you wiggle the key while it is in the cylinder it frees up. This could take a few minutes.or not! there is no way of knowing when it will happen.I am not sure what can be done. or if it can be done wi...
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2002 Subaru Forester L 2.5L engine internals VIN: JF1SF63542
Customer states that since head gasket's were replaced vehicle now burns 13 quarts of oil in 3000 miles. Before the job vehicle was consuming around 5 quarts. we did the overhaul to fix external head gasket oil leaks on both heads, found lots of corrosion and ...
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2001 Volkswagen Beetle GLS 1.8L Fuel Gauge VIN: 3VWDD21CX1
Vehicle presented with a fuel gauge that was reading off. With the key off it should drop to empty, however it drops to about the 1/2 tank mark. With the key on the fuel gauge goes way past full (about 1/2 tank over full) Customer said the vehicle should have ...
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2005 Volkswagen Passat GL TDI 2.0L Torque Converter Lock Up VIN: WVWME63B85
Vehicle came in with bad transmission, overhauled returned vehicle. Vehicle came back with torque converter lock up tested everything found valve body to be bad, replaced with oem unit. Vehicle has now returned again Customer stated he drove the vehicle appro ...
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2008 Audi A4 Quattro 2.0L MIL Lamp on VIN: WAUKF78E48
I GET SEVERAL REPLIES TO CHECK TEH CAMSHAFT LIFT ON THE FUEL PUMP I DID CHECK THAT AND THAT WAS GOOD.I DID RESET THE CHECK ENGINE LIGHT AND SO FAR THE CUSTOMER HAS NOT BEEN BACK. Trouble codes: 12555 (Lowpressure fuel regulation p310b upper limit reached).
6
2000 BMW 323i 2.5L Coolant Fan VIN: WBAAM3334Y
well there are definately a few techs out there that know their bm's,got some really good replies except for the ones telling me to check relays...BM USES NO RELAYS!! they're built into the pcm.hooked up a toggle switch for this dude n he was happy.sorry..just...
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2001 BMW 740iL 4.4L Hesitation, Stall, MIL Lamp on VIN: WBAGH834X1
Sorry it took so long to close this one. I had trouble believing that my Mass air Flow voltages were off because of the flow meter itself and I had been chasing wiring harness problems. Turned out that of the 4 Mass air Flow Sensors I had put on only one was g... Trouble codes: P0102 (Air Mass Min Values Fail Rationality Check).
5
2005 BMW 330Ci 3.0L Aux Cooling Fan VIN: WBABW53465
Sorry for the delay on closing this request. Thanks to everyone who posted. I have not fixed the issue with this particular car as of yet. I have tracked down several leads and eliminated several possibilities. I have been scheduling this customer on and o...
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1998 Cadillac Seville STS 4.6L completly dead VIN: 1G6KY5491W
Sorry took me little while to fix this car,finding vtd was almost impossiable but thank to iatn members I was able to get a use one and program it..
8
1997 Chevrolet Express 1500 5.7L Fuel Gauge VIN: 1GBFG15R8V
This customer needed the van back and I was not able to fix the gauge. I think the buffer module which is located along the dog house on the passenger side changes the ohm reading from the tank to the gauge. When I ground the wire to the gauge it makes a ful...
5
1997 Chevrolet Express 2500 5.7L No Start VIN: 1GCGG25R4U
thanks to all that answered my request. the pcm was full of corrosion. had actualy came appart in two halves. i replaced with used and starts right up. have trans codes that i will check out. some of the connections were corroded at wire harness may be causing...
10
2000 Dodge Durango SLT 4.7L Charging VIN: 1B4HS28NXY
Thank you very much for the responses and to Dave [...] who gave me the info on the pin numbers and power and control wire. After checking the continuaty of the wires which was good, I concluded that the PCM wasn't supplying the alter. fie...
5
2003 Dodge Caravan SE 3.3L problem to fill gas VIN: 1D4GP25R53
On Monday we had the van ,and I find the problem in the recirculing valve.There was broken spring which is holding valve open.Now it is taking fuel without any problem.Thanks all for help.
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1993 Ford Ranger XLT 4.0L Excessive Emissions, Poor Fuel Economy, MIL Lamp on VIN: 1FTCR14X3P
It's fixed!! We had the pcm rebuilt & that took care of the rough running, rich condition. All data pids are now normal & customer is as happy as...well he's happy it's fixed.
8
1996 Ford F-150 Eddie Bauer 4.9L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FTEF14Y8T
Thanks to everyone who took the time to help. The reason I said "take my chance with a MAF" was because that was the first thing I checked and all was in spec. That's when I started checking everything else. At the end of the day it was the PCM that fixed the ... Trouble codes: P1443 (p0411-), P0411 (p0172-), P0172 (p0174-), P0174 (p0175-), P0175 (p0443-), P0443 (testing and results).
16
2004 Ford F-150 FX4 5.4L srs SYSTEM VIN: 1FTPW14544
I could not find the curtain resistors in this vehicle. After performing pinpoint tests on the individual circuits and verifiing their integrity I guessed and replaced the SRS module. That fixed the problem.
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2002 GMC C-Series Topkick C6H042 8.1L Service Brakes VIN: 1GDJ7H1E92
The end problem ended up being in several places in the harness itself. One part was under the dash, the service brake switch wire was cut through, that was repaired. Another was the harness to the hydraulics, the feed for the transmission to the EBCM, was fri...
4
2003 Honda Element EX 2.4L MIL Lamp on VIN: 5J6YH18553
WELL GUYS THANKS FOR THE HELP, THIS ONE IS FIXED. WE CHANGED THE OIL USING 5W20(THIS IS WHAT IS CALLED FOR IN THIS VEHICLE) AND THE FILTER, THIS DID NOT FIX OUR PROBLEM. SO WE REMOVED THE VALVE COVER AND AS YOU COULD IMAGINE IT WAS IN TERRIBLE CONDITION. GUNK ... Trouble codes: P0011 (Variable valve timing system malfunction).
14
2008 Honda Civic Si 2.0L No Start VIN: SHHEP33545
Hey everyone thank you for taking the time to help me out. After cooling off over night and looking at your helpful responses I went to take another look at the valve adjustment and noticed that the cam lobes for intake and exhaust were at the same point and t...
9
2002 Infiniti QX4 3.5L Poor Idle Quality, Stall VIN: JNRDR09Y62
Checked ecu number in scan tool and found different ecu part numbers in the new one than new one. Talked to junkyard and they are looking into it. Service writer gave the junkyard a number on the outside of module and the number he crossed from the dealer to a... Trouble codes: P0505 (Iacv-aac valve system/circuit).
5
1991 Jaguar XJS 5.3L Braking VIN: SAJTW4843M
Well it looks like the abs has a valve sticking flushed brakes with clean fluid and it did help some customer decided to drive it for a while and see if it frees up any this unit is over three grand he said it may be time for a new toy but not a jag. Some thou...
5
2002 Jeep Liberty Limited 3.7L No Start VIN: 1J4GL38K42
Over and over I asked that check grounds. It was the ground at the crank sensor was loose. Cleaned tighten and fixed. Thanks for the help.
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2000 Mercury Sable LS 3.0L Engine VIN: 1MEFM53S2Y
sorry for the delay in posting fix. Had to finish up some other projects. Took back apart and found tone ring to be installed incorrectly. Thanks for all the advise.
4
2006 Mercury Mariner Convenience 2.3L No Reverse VIN: 4M2YU56136
We now have a tranmission that works in forward and reverse gears. What it took was to use another core we found way back on the shelf we went through that one and didnt use any of the parts from the other transmission except the rebuilt convertor. Wish I coul...
3
2006 Saturn Relay-3 3.5L intermittent VIN: 5GZDV03196
I think Ray from California nailed it. That something was sticking in the valve body. I did install a Jasper reman unit and all is well. Before sending the core out I did tear it down, for inspection. I could find nothing wrong except for wear on the fricti...
4
1993 Toyota Camry XLE 3.0L Camshaft VIN: 4T1VK13E3P
We had to chance it before the replies but replies were on the money. It is two dots to two dots. Thank you for your help, the replies did nail it, Mitchells picture is off.
3
2003 Toyota Tundra 3.4L Shifter VIN: 5TBBN44163
OK, we fixed it. The problem was mechanical and at the transmission. My son removed the cable with the bracket that holds it to the bell housing. He could not remove the cable from the bracket on the truck. In a vise,he removed the bracket and accidentally ben...
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