Automotive Technicians Technical Discussion and Fixes for Aug 5, 2015

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	Help Request	Answers
	2003 Audi A4 1.8L cannot fill tank VIN: WAULC68E73 we have this 2003 A4 1.8t that we CANNOT put fuel into the fuel tank. we read the diagnostics. no codes present. I pulled the hose off the purge valve in the engine compartment and had fuel run out. we removed the charcoal canister under the spare tire. some f...	View
	1989 Chevrolet K1500 Cheyenne 5.7L NO Upshift VIN: 2GCEK14K0K I was driving this pickup when issue started. I had stopped at a traffic light and when I started to drive it would not up shift I tried to down shift and then manual up shift and no difference. The truck has reverse and first gears only. I have removed the go...	View
	2005 Chevrolet Blazer ZR2 4.3L Excessive Emissions, Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1GNCT18XX5 Hi techs: this blazer came in and is running rough. hooked up scan tool and got code po300b ramdon misfire. check for fuel and spark on all cylinders. fuel pressure is good and good spark on all cylinders. vehicle has new plugs, wires, dist. cap and rotor from...	View
	2007 Chevrolet Tahoe LTZ 5.3L Air bag D de	View
	2012 Chevrolet Express 3500 4.8L test battery alternator and starter. VIN: 1GB0G2CA3C Hey fellow techs,We have this Express that will not crank for the customer intermittently. they stated it does it only after it has been running for a long time. We have checked every thing in the starting charging system. The vehicle has no DTC's. The company...	View
	2006 Chrysler Sebring 2.4L cooling fans this car came to me overheating , checked fan operation by commandig on with the scanner both low and high speed the fans came on. replaced t-stat for p0128 code and still overheats and no fans. coolant sensor reads a max of 201 on the scanner. the engine boil...	View
	2008 Chrysler Town & Country Limited 4.0L Headlamps VIN: 2A8HR64X48 The headlamps wont turn on, they will flash 1 time when switched on & then stay out. I attempted to control the headlamps with a SNAP-ON SOLUS & when switched on it would give 1 quick flash on each of the 4 circuits(left low, right low, left high, right high)....	View
	2009 Chrysler Sebring Touring 2.4L No Start VIN: 1C3LC56B69 This car was towed in our shop with a no start condition. We have fuel pressure and inj. pulse but no spark. There are no codes stored in the pcm. When scaning the data every thing looked good cam and crank where in sinc and all other data looked good as far a...	View
	2010 Chrysler Town & Country Touring 4.0L ride height VIN: 2A4RR5DX8A First, I would like to thank all those who take the time to read and respond to this post. I am working on a 2010 Chrysler Town & Country that has a visibly squatting rear end. The front measurement at the wheel well is 30-1/4", the measurement at the wheel we...	View
	2003 Dodge Dakota SLT 3.9L Hesitation, Surge, Cuts out, Misfire VIN: 1D7HG48X93 Hello fellow techs,have this 03 Dakota 3.9 v-6,the customer complaint is slight misfire or hesitation under load i.e. trans. lockup pulling upgrade at steady throttle.We have broken every diagnostic rule is in trying to fix this thing & beating our heads again...	View
	2003 Dodge Ram 1500 Laramie 5.7L 2nd Gear Starts VIN: 1D7HA18D13 I appreciate any help. this one came in in limp with 2nd gear starts, mil on p0891 tcm relay always on. so I have tested the relay and system associated with the corresponding diagram. the relay is ok, trans solenoid power circuit is running 6.2 volts park or ...	View
	1991 Ford Mustang LX 2.3L Excessive Emissions, MIL Lamp on VIN: 1FACP44M6M Hello, This mustang came in failed emissions. When vehicle came in, had codes for EGR vacuum switch, TCC solenoid, and MAP sensor. Found shorted EGR vacuum switch (.3 ohms) and shorted TCC sub harness that passes through trans. Replaced both components and tho... Trouble codes: 126 (Map Sensor Signal out of Range)	View
	2005 Ford Escape XLT 3.0L No Start VIN: 1FMCU931X5 Hi, every one this scape came in on hook with no startsituation ,turn key to start nothing happened, from starter relay check the starter , turning strong. Beside of factory anti-theft system they had another after market alarm system installed, which we disab... Trouble codes: B1681 (No transceiver received from the module), B2900 (Mismatch vin number)	View
	2007 Ford F-450 Super Duty XLT 6.8L Hesitation, MIL Lamp on VIN: 1FDXF47Y07 This truck has a bad hesitation under load at about 20 % throttle. The hesitation goes away after you pick up rpm and speed. We have replace a failed coil on #6 cylinder, replaced all worn spark plugs, pulled a fuel sample (passed), checked fuel pressure (pass... Trouble codes: P061B, P2106	View
	2007 Ford Explorer Limited 4.6L Srs VIN: 1FMEU75827 I have replaced the RCM due to being vehicle involved in a collision (fault B1231 crash detected). I have programmed/configured the new module (purchased at ford dealer) using motorcraftservice.com subscription and a Cardaq M pass-thru. device. Programming com...	View
	2008 Ford LCF L45 4.5L power steering pump VIN: 3FRLL45Z28 This truck has a power steering noise that is being heard inside the cab, almost sounds as if the steering wheel shaft is moaning. I can get the noise to be louder when I turn the wheel about 20 deg. I listened to the pump and its quiet the steering box has th...	View
	2010 Ford Transit Connect XLT 2.0L spider and side gears VIN: NM0LS7BN4A Arrived with bad knocking when turning, pulled trans to disassemble and found spider gears and side gears in very bad condition. The tires still look new and are the same size.(205/65/15) I don't see anything else wrong, the ring and pinion look fine. I can't ...	View
	2010 GMC Yukon XL 1500 Denali 6.2L stabilitrak VIN: 1GKUKMEF8A This is an odd issue, while driving the customer states that the stabiltrak light will come on along with the abs light and the door locks will start to cycle constantly. This is a very intermitten issue and during 250 miles of driving i have got it to happen ...	View
	2003 Honda Pilot EX 3.5L Suspension VIN: 2HKYF18513 Car came in with a clunk noise in the front. We replaced the sway bar links as per the TSB and the noise was still there but not as frequent. Replaced the struts and mounts because they were original. Still have the same noise when driving over bumps that jous...	View
	2004 Honda Accord EX 3.0L Low brake pedal VIN: 1HGCM66534 This Honda has been around to several other shops. The brake pedal is really low on the first pump,(like misadjusted brakes) if you give it one more pump it's up high and firm. Never fades away. The master cylinder has been replaced, along with the rear pads. ...	View
	2000 Jeep Grand Cherokee Laredo 4.7L Excessive Emissions, Hesitation, Misfire, MIL Lamp on VIN: 1J4GW48N6Y I used a lab scope and monitored the cam and crank sensor signals triggering off of #1 cylinder and compared to wave forms in library. Engine appears to be 1 tooth off according to scope and library wave forms. Customer took car back and removed covers. Sent m... Trouble codes: P1391 (loss of cam and or crank signal), P0300 (general misfires), P0355 (coil primary circuit 5 cylinder)	View
	2000 Jeep Grand Cherokee Laredo 4.0L Dball2 VIN: 1J4GW48S2Y I'm installing a remote start/keyless entry on my jeep. I'm having an issue with the DBALL2 bypass module. The starter is an Avital 4103LX. Directed Electronics isn't exactly the greatest when it comes to sharing information. I've installed quite a few remote ...	View
	2006 Lexus SC430 4.3L ignition lock VIN: JTHFN48Y76 Looking to see if anyone has experienced a problem with the ignition lock cylinder. The key turns freely to start vehicle but binds turning back off. Before investing in a new lock cylinder and have the same problem. Thanks in advance for your help.	View
	2010 Lexus ES350 3.5L Wiper VIN: JTHBK1EG2A The wipers don't park, and the intermittent feature also not working properly. On int.,the wipers start to move and stop half way through the cycle. This has all the classic simptom's of a bad motor, but not the problem. I should say this vehicle has the 'AUTO...	View
	2001 Mazda Millenia 2.5L Will not run monitor VIN: JM1TA22141 It will not run evap or EGR monitor. I can see that boost solenoid will not turn vacuum on to the map. So I tested boost solenoid and find its not working. Also at 28.6 inhg the map is also a little off? I tested EGR solenoid and it works and applied vacuum to...	View
	1986 Mercedes-Benz 190E 2.3-16 2.3L No Start VIN: WDBDA34D5G this benz was driving fine one minute then refused to start. Has spark so I changed the fuel pump relay and overload protection relay with known good ones still no start. With fuel pump relay REMOVED it will run on gas I pour into the intake manifold. The very...	View
	2003 Mercedes-Benz C230 Kompressor 1.8L Engine VIN: WDBRN40J13 Vehicle has code P0172. The code appeared pending initially after 20 minutes of idling or driving. Hard code appears after the 35/40 minutes. We then did the basic fixes. Cleaned the mass air flow sensor, smoke tested the vehicle to located leaky vacuum lines,...	View
	2012 Ram 2500 ST 5.7L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 3C6TD5HTXC Hello IATN guys, This vehicle came to us from a fleet company which has a good reputation for maintaining their fleet and who idles their trucks to death. Customer concern is that the truck runs poorly and has a check engine light on. The main reason im puttin... Trouble codes: P0302 (Cyl 2 misfire detected), P2299 (Brake pedal position/ Accelerator pedal position incompatable)	View
	2000 Saturn SL1 1.9L cat unready VIN: 1G8ZG5282Y Hello, This Saturn at idle is at -30 stft -40 ltft, Looked everywhere for a vacuum leak, sprayed a few times while monitoring the front 02 with no luck. replace the fuel injectors witch made it slightly worst. map reads 1.20v at 700 rpm. at 2000 rpm the stft g...	View
	2003 Saturn L300 3.0L Poor Idle Quality VIN: 1G8JW54R13 We have replaced the previous engine due to timing belt failure. Currently the replacement used engine will immediately rev to 4000 rpm. No codes are being stored. Key On/Engine off TPS% is 17% with gas pedal depressed and 98% with gas pedal fully depressed. ...	View
	2008 Toyota Camry SE 2.4L a/c VIN: 4T4BE46K08 I am wanting to know some information on an a/c amplifier, this cust came to us and stated that the vents were not working right, we diag the problem with not blowing out vents to the mode motor on the side of heater box. But they also said that about a year a...	View
	2009 Volkswagen Beetle 2.5L readiness VIN: 3VWSG31Y59 VW tech, please help on this bad boy,car came in secondary air injection readiness monitor not ready & fail on smog. Unable [...] complete basic setting 77, test kick on & then aborted. (try more than 20 times) All readiness monitor can set except slight difficul...	View
	2011 Volkswagen Golf TDI 2.0L Hesitation, MIL Lamp on VIN: WVWNM7AJ7B Vehicle towed in, engine would not run.. Turbo blade was totally destroyed blocking exhaust. We replaced the turbo with a VW factory Rebuilt unit. The car runs great until it warms up after 10 to 15 minutes or 5-6 miles. Then the glow plug light flashes and th... Trouble codes: P0299	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2000 Audi TT 1.8L cooling fans VIN: TRUZZZ8NZY Hello All, A very big thank you to all that replied. Great information and suggestions from every person. The key to solving this one was having the wiring diagram and Audi descriptions of the heating and air con functions as well as suggestions. This...	12
	2004 BMW 530i 3.0L compressor VIN: WBANA73544 It was the compressor. When I pulled the suction line from the compressor, I noticed a little oil w/some dark gritty sand like substance sitting in the hole where the suction line was pulled from. Placing my finger into the oil was immediately met w/ a very ro...	9
	2012 BMW 528i 2.0L Radiator shutter, map thermostat circuit VIN: WBAXG5C5XC First, Thank you David and Alfiero for your help, I already replaced the thermostat unit and cleared the engine code, And the customer picked the vehicle. thats all i can think of to solve this problem. so far i call it fix.	3
	2013 Chevrolet Traverse LS 3.6L No Start VIN: 1GNKRFED6D I used the excellent feedback from several members who mentioned the well-known problem of windshield OR sunroof drain tube leaks getting into the IP fusebox. I then used the new "no shut off" symptom to find this problem. There was a 9 volt feedback to th... Trouble codes: P0606 (P069e-), P069E, P2534.	21
	2007 Dodge Sprinter 3500 3.0L Starting VIN: WD0PF04507 thanks everone all great suggestions. this one ended up being burned wires in main harness in the floor. they had installed a cabinet in the center between the seats and screwed it down right thru the harness. and over time it finally burned. had to repair ...	6
	2000 Ford F-250 Super Duty Lariat 7.3L Low Power VIN: 1FTNX21F8Y Victory is mine, This fine peice of ford is jammin down the road just like a new truck. Finally was able to get my customer's truck back in to do some more repairs. I tested the fuel pressure at the fuel drain on filter head and as I expected the fuel pressure... Trouble codes: P1211 (ICP higher/lower than expectedengine running), P1209 (ICP peak delta test fault), P0478 (EBP control valve high input), P0470 (EBP sensor circuit malfunction).	9
	2005 Ford E-350 Club Wagon Chateau 5.4L Battery VIN: 1FBNE31L45 Thank you again for your input. The fix was installing a 130 amp alternator to compensate for the excessive draw of the DVD player. The customer has been driving the van for 2 weeks now using the DVD player and no problems.	7
	2008 Ford F-450 Super Duty XLT 6.8L Hesitation, MIL Lamp on VIN: 1FDXW46Y68 Replaced the tank and pump. Worked good but the fuel gauge didnt work, returned pump for warrant (3rd pump under same warranty) and installed new pump. Everything is working and fuel pressure no longer drops off while driving. Trouble codes: P0191.	9
	2012 Ford Edge SEL 2.0L Left Blend Door VIN: 2FMDK3J95C I replaced the left blend door actuator. I informed the customer of the advice I received here as well as locally and informed them of their options - either do nothing and see if the complaint returns - swap the blend door actuator - or attempt to update the ...	5
	2008 GMC Acadia SLE 3.6L Poor acceleration VIN: 1GKER13708 Customer declined repairs. What we have gathered from our accumulation of data is that the timing is out. We had a known good Acadia come in this morning and we were able to compare most data (we couldn't communicate with her PCM unless it was on Global OBD 2 ... Trouble codes: P0330 (Knock sensor b2 open or shorted circuit).	13
	2007 Honda Civic Si 2.0L No Compression VIN: 2HGFG21507 OK, Very sorry for the long delay but this is a teenage kid's car and money was an issue. We pulled off the head to send out and found the valves were warped and cooked. It didn't look like the timing was off enough to bang the valves but did a complete valve ...	20
	2001 Isuzu NPR-HD 5.7L Misfire VIN: 4KLB4B1R11 AS ALL HAVE SUGGESTED THE FIX WAS FRONT 02 SENSORS.	5
	2006 Land Rover LR3 HSE 4.4L Misfire VIN: SALAG25416 Thanks guys for the great responses. I checked for clogged cat, was not clogged. Did a wet compression test and sure enough brought up compression 180-210. Put back together, runs perfect. Had vehicle for four days, completed all monitors. Day 5 cold start sli... Trouble codes: P0300, P0302, P0304, P0306, P0308.	6
	1999 Lincoln Navigator 5.4L No Start VIN: 5LMPU28A7X this one is fixed, we pulled the cylinder lock and found that the contacts were bad so we replaced it and customer took the vehicle Friday and all is well. thatns again to all of you. Trouble codes: B1352 (Ingnition key in circuit fault).	5
	2014 Mazda 5 GS 2.5L Cruise Control VIN: JM1CW2CL4E Still trying to figure this one out. Cannot find on the factory scan tool the appropriate way to program. I am going to close it for now,and will update if I figure out how to program. Thanks!	3
	2002 Mercedes-Benz C240 2.6L instrument cluster VIN: WDBRF61J42 FOUND OUT CUSTOMER DID NOT HAVE A 2ND KEY. THIS IS THE ONLY KEY SHE HAS HAD SINCE PURCHASING IT AS A USED CAR. SENT OWNER TO DEALER FOR KEY AND THEN SHE IS TO BRING BACK FOR FURTHER DIAGNOSIS. THANKS TO ALL THAT HELPED ON IT.	6
	2002 Mercury Mountaineer 4.6L Stall VIN: 4M2ZU86W82 Thanks to every one that replied it ended up being a defective map sensor that i had purchase in the after market i bought one from fords and the problem is fixed. Thanks again.	11
	1999 Pontiac Sunfire SE 2.2L theft light Thanks to all who replied. Unfortunately the information was widely varied and without much consensus. It seems that my original thoughts were correct that this system is actually not very reliable and very expensive to repair, often without satisfactory resul...	14
	2004 Pontiac Grand Am SE1 3.4L caliper VIN: 1G2NF52E64 Ok, this one is fixed. Most of you hit on the nose. I first pulled up on the brake pedal and heard a pop sound and after that the brake pedal was even a little better. I then remove the brake master cylinder and had seen where the push rod was misaligned. Rein...	11
	2001 Subaru Outback L.L. Bean 3.0L Misfire VIN: 4S3BH80631 As many of you suggested, it was indeed a valve timing issue - seemed like the only commonality to all three cylinders - one of the chain guides had lost a section of lining, all the guides were grooved and one of the tensioners was hung up. Basically, right s... Trouble codes: P0301 (p0303-), P0303 (p0305-), P0305.	8
	2005 Subaru Outback Limited 2.5L airbag VIN: 4S4BP62C85 This model has an overhead passenger air bag light that just says passenger and also one in the upper center console that says passenger and on and off. The one in the console lights up passenger and then both on and off lights and then then on light goes out....	5
	1990 Suzuki Samurai JL 1.3L Starting I put a wire in because of 7 volts dropped across the S wire. After getting the car back it was much better, and would only click every 20th attempt to crank it. but when it would click the Clutch switch would drop 1v, when it would crank it would drop .25v. I...	8
	2012 Toyota Prius 1.8L MIL Lamp on VIN: JTDKN3DU8C Once again Iatn is a terrific resource. The fix for this is to send it to the dealer as this is a known problem and Toyota has extended the warranty to 15 years on this part. It is unfortunate that they have not issued a recall, in my opinion, since this...	8
	1998 Volvo C70 2.4L Driver;'S Seat VIN: YV1NC5676W I want to thank everyone for replies-performed seat spring repair as listed per tsb. found switch and now functional.	4

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