Automotive Technicians Technical Discussion and Fixes for Jan 30, 2012

Join Now

Prev	Professional Automotive Repair Technical Discussions for January 30, 2012 International Automotive Technicians' Network (iATN) - Members Only	Next
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models

	Help Request	Answers
	1998 Acura CL 2.3L park lamps/starter-security VIN: 19UYA3153W Hi! We have a 98 ACURA CL 2.3 L. 300065 mi. 02/98 [...] with an intermittent short on circuits # 32(small lights) & #38 (security-door locks) When 32 shorts we have no tail lights and frequently it takes 38 along thus disabling the starter circu...	View
	2001 Audi A6 2.8L camshaft timing VIN: WAUBH64B01 Hi, this car came in with check engine light on, misfiring on cylinders 1,2,3. The customer came from another shop for a second opinion, the other shop told him his timing belt was broken. Fault codes in the ECU are: 17927 (P1519) Camshaft adjustment; Bank 1...	View
	1984 BMW 318i 1.8L No Start VIN: WBAAK7406E vehicle came in no start no fuel pressure did have power and ground to pump. pump looked like it had been sitting in cankered gas. now we have good fuel pressure but no ground to injectors we do have power. car will run on ether but no injector drive. we are n...	View
	1989 BMW 735i 3.5L Timing Chain What could cause this to jump time? A bad tensioner?	View
	1999 BMW 540i 4.4L Safety VIN: WBADN6332X hello to all out there iatn world hope all is good with everyone,if you read the repair info i put the code up there,on the passenger air bag there is 2 sides to this bag,if i unplug the other side of air bag i get a (code 07 ignition circuit 3 passenger stage...	View
	2005 BMW 325Ci 2.5L trunk latch VIN: WBABW33495 The car came in with the trunk not being able to shut. the latch would not catch at all (trying to do it with a screew driver also) so we replaced the latch. a week later same problem, so we Parts warr'd. it. now a month later, the problem came back for the gu...	View
	2006 BMW 325i 3.0L Oil Leak VIN: WBAVB13506 This BMW belongs to my son and has developed a slow oil leak.The entire belly pan was soaked as well as the left side of the engine from the middle down.He was told he needs a valve cover gasket but that is one of the few gaskets that is plain to see is not le...	View
	2005 Buick Terraza CXL 3.5L steering VIN: 5GADX33L25 Hello i have what I thought was a simple problem until I talked to somebody else. The power steering does not work while sitting still and has a problem while parking. While driving it is alittle stiff. Will not get assist while reving the engine in park it st...	View
	2002 Chevrolet Monte Carlo LS 3.4L security/radio/inst panel VIN: 2G1WW15EX2 This car sometimes locks radio,with multiple instrument panel warnigs,security ,abs /tcs etc. and wont crank the starter.sometimes the radio will come on after the key is shut off,with a flicker of warning lights on the inst panel.gauges wont do the self check...	View
	2004 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCEK19T74 Thanks for any help. Intermittently the vehicle is quite troublesome. First thing you notice is the ABS lights come on, the vehicle speed on the dash drops to zero or a very low speed. The trans shifts to 1st gear. The rear speed signal from the PCM to the EBC... Trouble codes: P0342, C0327 (Erratic rear speed sensor)	View
	2004 Chevrolet Blazer LS 4.3L Hesitation, Cuts out, MIL Lamp on VIN: 1GNDT13X54 Customer brought blazer for no power bogs really bad and dies out at times,no power at all.Customer did own intake gaskets.Checked distributor to see off tooth and is good.Think have plugged exhaust.#1,3,4 cylinder showing misfire.Hooked back pressure gauge an... Trouble codes: P0300	View
	2006 Chevrolet Equinox LS 3.4L Cuts out, Stall, MIL Lamp on VIN: 2CNDL23F06 Need some help with this one,has anybody had a problem with a POO68 code? Trouble codes: P0068	View
	1991 Dodge D350 5.9L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1B6ME3655M hi there. the concern with this vehicle is that it hesitates/bogs, backfires through the Throttle body under acceleration. runs rough at idle, sort of idle hunts at times. Scoped the TPS, hall effect CKP, and secondary ignition all seem OK. also scoped exhaust...	View
	1997 Dodge Grand Caravan ES 3.8L brake system VIN: 1B4GT54L9V I have a very strange brake problem. This car came to me with air in the LF and RR. I blead the system and every thing worked fine. I blead the abs unit and leak tested the system and there are no leaks. Car came back 3 days later same problem. Again air and a...	View
	2000 Dodge Durango 4.7L Poor Idle Quality, Hesitation, Surge, Stall, Misfire VIN: 1B4HS28N7Y The other shop diagnosed bad pcm. Stated had alot of coil codes. Once their customer gave us permission to install reman pcm,it was realized that there were other problems. Vehicle barely runs. when it does idle, you step on gas and it dies. No back pressure, ...	View
	2005 Dodge Sprinter 3500 2.7L Cuts out, Stall VIN: WD2PD54475 Vehicle was towed for died while driving and would not restart. Scanned for codes, found originally had p2091 o2 sensor problem, p2511 egr valve signal ckt shorted, p2500 fuel pressure solonoid open, p2017 fuel rail psi malfunction in rail pressure is to low. ... Trouble codes: P2047 (Fuel pressure malfunction exceeds maximum limit), P2051 (Fuel pressure malfunction exceeds maximum limit)	View
	2008 Dodge Grand Caravan SE 3.3L Steering Angle Sensor Vehicle brought in with ESC / BAS and Trac Control lights all on. With Wi-tech I went into ABS System and found 2 Codes: Codes C1219 Steering Angle Sensor Erratic Performance ACTIVE and C123F Steering Angle Sensor Comparative Performance STORED Customer Sta...	View
	2008 Dodge Ram 5500 SLT 6.7L Surge VIN: 3D6WC76A08 This vehicle was brought in with a surge at slow speeds when coming to a complete stop. It seems to occur when the vehicle is at operating temperature and only lasts for a few seconds. This truck is still in stock form, though the DPF has been damaged/cracked ...	View
	1993 Ford Ranger STX 4.0L Hesitation, Cuts out VIN: 1FTDR15X2P Cuts out in 3rd, 4th, 5th gears 1800-2400 rpms, does not do it in 1st & 2nd gear, under load only, replaced plugs, wires (twice), coil pack, crank sensor, tone ring, tps sensor, mass air flow, coolant temperatue sensor, air filter, fuel filter, pcm, alternator...	View
	2002 Ford F-350 Super Duty Lariat 7.3L 3rd gear VIN: 1FTSX31F52 Will not shift into 3rd. Shifts 1-2 normal.Fluid was dirty, but not burnt. No big pieces in the pan, changed filter and Solenoid pack. Cleared codes, P0603 did not return, P0782 did. Still does not shift into 3rd or OD. Help.	View
	2003 Ford Ranger XL 2.3L Poor Idle Quality, Hesitation, lacks power at times VIN: 1FTYR10DX3 This horrible little motor was leaking oil badly from head gasket. Replaced head gasket and reset all timing marks using Ford tools due to nothing being indexed!!! Oil leak is gone but engine has a notable "sag" in power that feels fuel related that seems to ...	View
	2003 Ford Mustang 3.8L Abs/Trac Module VIN: 1FAFP404X3 Thanks in advance for your time. We've got a Mustang in our shop that the traction control and ABS warning lights will not turn off. The trouble code setting is U1043 - "Standard Communication Protocol Invalid/Missing Data for Traction Control". This vehicle...	View
	2004 Ford F650 7.2L Engine elect VIN: 3FRWF65234 Here’s the problem, 3126 Cat in an 04 F650,serial# [...], intermittent crank and no start. When the problem is happening there is no communication between scan tool and ECM. The ABS module and the Allison trans module are communicating fine. Vehicle may hav...	View
	2004 Ford Excursion Eddie Bauer 6.0L No Start VIN: 1FMSU45P94 No start or very long crank and start. Not malking HP oil pressure. Removed oil filter and cranked. Filter housing fills in 5-10 sec. Installed oil pressure gauge in place of EOP sensor. No LP oil pressure. If I get it running it has 10 psi at ilde cold. From ...	View
	2005 Ford F-150 XLT 5.4L Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on What could be causing this problem? This truck has the 3v 5.4l engine and is misfiring on all the LH cylinders most of the time (sounds like the cam might be out of time.) The codes say the RH cam is too advanced and the LH one is too retarded, or vise versa s... Trouble codes: P0011, P0022	View
	2011 Ford Escape Limited 3.0L radio VIN: 1FMCU9EG1B I have a customer who's 2011 escape radio out of nowhere radio goes up to full volume. she can lower it when it happens but ford has no answers as to what is wrong with it. Any input would be appreciated.	View
	1994 GMC Sonoma SL 4.3L Ecm/Iac VIN: 1GTCS14Z3R Customer complains of high idle. We replaced iac valve and ecm. Vehicle came back as a no start on several occasions. Every time i go to start vehicle, would start and run. Cel finally came on. Scan codes with tool and manually. Gets a code 51. Using identifix...	View
	2003 GMC Envoy XL SLE 4.2L Cuts out VIN: 1GKET16S43 The car runs fine as long as you do not command A/C on. No codes. Heat, blower on , all fine. If you command A/C or windshield defrost ( A/C on) I see ground on relay, the A/C compressor engage and the engine stumble and cuts off.. I cut the wire from connecto...	View
	1993 Honda Accord EX 2.2L No Start VIN: JHMCB7679P All right guys, here's what I've got. I have a 93 Honda Accord with no start issues. I'm going on putting 3 main relays in this car. It fixes the problem for about 4 months then it goes out yet again! So my question is this what would cause this? I've checked ...	View
	2003 Honda Civic LX 1.7L No Reverse Pops Out Of 5th VIN: 1HGES15543 Just want to know if anyone has seen this with low mileage or at all.This is my car i have not pulled the trany yet maybe next mounth.I was not driving the car when this happened but anyway there is no reverse the shifter will not even try to move into reverse...	View
	2005 Honda Accord Hybrid 3.0L Surge I got a 2005 accord hybrid with no codes but at about 40mph it seams to surge a little for a second then gos away the trans seams ok the trans fluid is clean. Has anyone come a cross this before. Im thinking it might have something to do with the hybrid side o...	View
	2004 Hyundai Elantra GLS 2.0L MIL Lamp on VIN: KMHDN46D94 These three codes will repeatedly set every couple of weeks. Fuel psi and volume good. Plugs have slight wear. Have repeatedly been on phone with tech line. My readings are as follows.stft -1.5 to .08 ltft 4.7 b1s1 .480 b1s2 .565 all at idle. I can make the re... Trouble codes: P2096 (Post cat fuel trim system too lean b1), P2270 (02 sensor signal stuck lean b1s2), P2196 (Linear 02 signal stuck rich b1s1)	View
	2007 Infiniti FX35 3.5L No Start, Cuts out, runs on ether VIN: JNRAS08W07 Engine quite whilst driving, towed in, runs and splutters for about 5 seconds them stalls (like it's low on fuel/low pressure), pressures are ok, flow ok, 1/2 tank fuel, verified by removing pump. Runs on throttle body cleaner (ether) Pressure tested at pump...	View
	2001 Jaguar S-Type 4.0L Heat VIN: SAJDA01PX1 This vehicle was brought to us with a concern for no heat. We checked the automatic temperature controls & we also flushed the heater. There is still no heat coming into the cabin. Any thoughts about this that would help us resolve this issue.	View
	1992 Lexus SC400 4.0L Hesitation, Misfire VIN: JT8UZ300XN Vehicle has light bog on accelaration, Customer refuses to let me put OEM NGK or Denso plugs in it. He says that autolites are fine. The car idles smooth under light accel at around 2200Rpm the car bogs and above 3500 smooths out. I have a solid Inch (3CM) Fro...	View
	2001 Mazda 626 ES 2.5L Behind water pump? VIN: 1YVGF22D31 Customer complains of a coolant leak on right side of vehicle. Found leak behind timing cover. Removed cover, does not appear to be water pump. Will not be able to pressure test if I disassemble further.Does not appear to be pipe under intake manifold. Any tho...	View
	2007 Nissan 350Z Touring 3.5L Hesitation, Stall VIN: JN1BZ36A97 I am on my knees begging for help. I have this little gem here which chugs on acceleration. EVERY time it will chug below 1000RPM and stall if you do not have the accelerator down. If the accelerator is down then the vehicle will chug once and accelerate fine ...	View
	1998 Saab 900 SE Turbo 2.0L Stall VIN: YS3DF55N7W Customer complian car dies out while he's driving or when come to stop, install new fuel pump, new ignition casset new crank sgaft sensor & new purge valve, all parts are OEM , & still doing the same, any help will be greatly appreciated	View
	2000 Volkswagen Jetta GLS 2.8L MIL Lamp on VIN: 3VWSE29M7Y Smoke tested vehicle for vacuum leaks, none found. Removed cover to inspect hoses. OK. This vehicle is wrap like a tuna can. Replaced mass air flow meter with Bosch unit from World PAC...Customer took vehicle and came back after three weeks with same codes. Re... Trouble codes: P1137, P1143	View
	2003 Volkswagen Jetta TDI 1.9L timing belt i have a 2003 jetta tdi that came in with a broken timing belt was wondering if anyone had a way to set up crank and cam and injection pump with out special tools alldata does not show timing marks on gears or block also was wondering if this is an interferenc...	View
	2004 Volkswagen Passat GLS 1.8L Mount VIN: WVWPD63BX4 This car came in with a viberation we first replaced the engine mounts and adjusted the front mount. The viberation was better but still there so we than replaced the trans mounts. After all that the viberation is not totaly gone. I need help with this one I d...	View
	2004 Volkswagen Passat GLS 1.8L hood latch VIN: WVWVD63B74 A party (not myself, TYJ) installed the hood latch cable end in a way that after a few operations it slipped out of its fork. The hood is latched shut and access through the grille is impossible because radiator and condenser are in the way; the only access is...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2006 Audi A4 Quattro 3.2L brake pedal VIN: WAUDG74F56 Thanks for everyone's help on this one. we ended up replacing the vacuum pump on the front side of the engine and that fixed it. thanks again. Chris	7
	1997 BMW 540i 4.4L engine VIN: WBADE6329V Thanks for the information, I will discuss the options with the customer as far as the timing chain replacement.	8
	1991 Chevrolet Camaro RS 3.1L No Start, Cuts out, Stall VIN: 1G1FP23T4M Good morning , i still dont have this car fixed but i have been too busy to keep working on it so I will close this post for now & will update later. Most of the replies talked about injectors being bad - injector ohms ranged from 7.7 to 15.3. I replaced 1 inj...	32
	2001 Chevrolet S10 4.3L MIL Lamp on VIN: 1GCDT19W11 ok thanks to every body that replied,i guess i need to go back to ohm meter school brown wire from computer to re lay was bad,replaced wire , now my scan tool can control air pump,lights off , got it inspected.thanks to everybody. Trouble codes: P0418.	7
	1994 Chrysler LHS 3.5L No Start, Misfire VIN: 2C3ED56F3R thanks for the many replies,took everyones advice replaced intake gasket ,and o2 sensors and spark plugs,car seems to be doeing fine ,hasn,t been too cold to see if it will flood on cold start up.but probably due to vacuum leak. chris Trouble codes: 51.	25
	2001 Dodge Ram 1500 Van 5.2L No Start VIN: 2B7HB11Y71 thanks to all who helped . installed another rebuilt computer and factory coil. started right up. coil driver in computer was bad.	14
	2003 Dodge Sprinter 2500 2.7L Leak VIN: WD2YD642X3 I believe the pump will need to be replaced. Evidently it is a fairly common problem. With some other online research, I do know some people rebuild them. I haven't got the Sprinter back yet, but I think eventually we will either put a new pump on or try a reb...	6
	2004 Dodge Neon SRT-4 2.4L Stall VIN: 1B3ES66S84 Hey guys,A very big thank you to all who replied on this problem.I was able to get back into it Sunday afternoon.After checking harnesses I unplugged the 3 pcm connectors wich I was surprized and concerned on how easy they came out and removed the connector co...	8
	2006 Dodge Magnum SXT 3.5L air bag system Well this was fun! As stated my original email my main concern was an air bag code. I also stated that I had a no start concern caused by an inaccurate gauge. I really should have not added that because the advice I got led me waaaaaay astray, not because...	4
	1998 Ford Escort SE 2.0L speedometer VIN: 1FAFP13P9W thank you all to who replied, cslled parts store and found out they sent me a speed sensor for a manual transmission, replaced speed sensor with correct sensor and speedometer is working and no codes came back...	9
	2001 Ford F-350 Super Duty Lariat 7.3L Surge VIN: 1FTSW31F71 some replied and recomended injector cleaning, I think the same would help but this customer thinks he spent enough money on this truck already with the things repaired on it. thanks for your replies	12
	2002 Ford F-350 Super Duty Lariat 7.3L Misfire VIN: 1FTSX31F32 Well I can finally get a good nights sleep. We spent WAY too much time on this truck that we will never recover. But a new IPR fixed it ! All the IPR readings seemed correct but we already tried new injector o-rings, IDM, and PCM so we just rolled the dice one...	13
	1998 Honda CR-V EX 2.0L ATF fluid VIN: JHLRD1861W As several technicians pointed out the Z-1 has been discontinued and replaced by DW-1. Thanks for your advice	16
	2003 Isuzu Axiom XS 3.5L Misfire VIN: 4S2DF58X33 along with the timing belts not right. it also had bad coil boots they looked ok but when replace misfire code went away. also #6 coil is different Trouble codes: P0300.	7
	1995 Jaguar XJ6 4.0L Excessive Emissions VIN: SAJHX1742S This one is not fixed yet. i learned, you got to know when to hold em and know when to fold em. It doesnt happen very often, but I threw in the towel on this one because I dont have the equipment. The customer is going to take it to the dealer to check the o2...	14
	2003 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GW48S13 WE REPLACED THE O2 SENSOR WITH A NTK SENSOR AND IT HAS BEEN FINE SINCE WITH NO REPORTED PROBLEMS Trouble codes: P0135.	12
	2003 Jeep Grand Cherokee Limited 4.7L Wont turn left VIN: 1J8GW58N33 Thankyou all so much for your help, it was the power steering gearbox after all, the last stop i suppose we call it lol... Thanks again..	24
	2002 Lexus LS430 4.3L Tail Lights VIN: JTHBN30FX2 THANKS EVERYONE FOR THE INFORMATION. THE PROBLEM WAS THAT THE BULBS WERE 194 AND NOT 192. REPLACED THE BULBS WITH THE CORRECT ONES AND PROBLEM SOLVED.	12
	2004 Lexus GX470 4.7L speedometer VIN: JTJBT20X84 Well the Lexus is finally fixed. I waited a few days to make sure. Here's what's happened so far. The next day after installing the first speedo unit that was tested and found nothing wrong with it, it stopped working. The newest thing I found is that if I...	11
	2006 Lincoln Navigator Ultimate 5.4L Misfire VIN: 5LMFU28576 ok so I was very discouraged when I started recieving replies, They were all help for people that might be new to the auto tech world, I mean really I had replies that might as well have said make sure you have fuel in the tank! This web site is for professi... Trouble codes: P0304.	24
	1998 Mazda Protege DX 1.5L Excessive Emissions, MIL Lamp on VIN: JM1BC1410W Gave up and special ordered a distributor. The shutters for the hall effect on the rebuilt that was in the vehicle were all the same length .550". The replacement had one that was longer at .650". The difference in the cam sensor wave allowed the computer to r... Trouble codes: P1170.	5
	1992 Mercedes-Benz 300D 2.5 2.5L low power VIN: WDBEB28E5N well i went ahead and changed the fuel filters. This did help the car a good bit. It would now boost to about 10psi peak. Alldata seems to think it should peak at about 14psi. I can already see more stuff building up in clear 1st filter. So apparently yes...	5
	2007 Nissan Armada SE 5.6L rear hatch VIN: 3NJ73RTL77 there is no initilization for this hatch, I did replace the struts and completed a operatioal test and it now works, I could not get the input test to work ( the other test in all data) even after getting it to work. seems like the motor ecu has a load protect...	4
	2002 Pontiac Grand Am GT 3.4L Misfire, MIL Lamp on VIN: 1G2NW52E02 This vehicle is still haunting me to this day. I bit the bullet and pulled the bank 1 head and found that the last person to machine the deck must have had the head slip while machining because directly above the number 1 cyl the cutter head all of the sudden ... Trouble codes: P0300 (Random mis).	28
	1957 Porsche 356A 1.6L lifters There seemed to be a consensus that the cam and lifters could be re-used providing the cam was not worn and lifters not cupped. I probably should have elaborated on their condition but I tried to cut down on the verbage on such a long request. Although it ...	7
	2003 Subaru Baja 2.5L mil on VIN: 4S4BT61C03 Thanks to all 9 members who helped me fix this car. A few of the responses were the usual "stabs in the dark for credit" (you know who you are), but most were really helpful info. Andy Miller, who emailed me directly, should get credit of solving the problem. ...	9
	2009 Toyota Corolla XLE 1.8L compression VIN: 1NXBU40E59 sorry for the late post on this one, i wanted to make sure it was fixed. after reassembling the rockers and testdriving coil on cyl 3 which orignially was on 2 caused a misfire during a long testdrive and was replaced. a week later the car came back with a mis...	16
	1994 Volkswagen Golf CL 1.8L prndl switch Thanks for the all the help. The customer has declined further diagnosis at this time. It is such an intermittent thing that they will live with it until complete failure. I will update the fix once teh customer returns. Thanks again.	6
	2002 Volkswagen Cabrio GLX 2.0L MIL Lamp on VIN: 3VWDC21V12 well after messing with this car for awhile it did not act up again. So it seems the maf did help although the numbers did not seem very different. If the car returns ill update. thanks for all who chimed in. Trouble codes: 16795 (secondary air incorrect flow), 16555 (sys to lean), 16486 (MAF input to low), 16500 (coolant temp malf.).	14
	2004 Volkswagen Touareg V8 4.2L MIL Lamp on VIN: WVGCM67L14 Thanks to all for the replies, and especially Lloyd for the link he provided me. This car was purchased used and it looked as though someone had been tampering with wiring in the steering column. I had to repair a few wires, and was able to clear the code an... Trouble codes: 18104 (Implausible Messasge from Steering column controler).	4
	2006 Volvo XC90 2.5T 2.5L MIL Lamp on VIN: YV4CN59226 Took the car to Volvo dealer and found that there are bcm codes that set the light on due to brake pressure sensors affecting stability control system.Fuel pump duty cycle at 48.7 percent with current pressure.Although the sensor has known problems was not the... Trouble codes: P0089.	7

(Also Available: All, Asian, Chrysler, European, Ford, GM.)