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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 28, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
2002 Acura RSX 2.0L No Start VIN: JH4DC54862
Vehicle came in with a cranking but no start condition. Stored codes were P0010,P1259 and P0700 (2 VTC codes and a transmission code). Vehicle has fuel injection pulse but no ignition spark. During testing I noticed that ignition coil #1 was hot, 200 degrees F... Trouble codes: P0010 (VTC Oil Control Solenoid Valve Malfunction), P1259 (VTEC System Malfunction), P0700 (Trans Malf.)
2000 Audi S4 2.7L Heat VIN: WAUDD68D7Y
This car has very little heat. It only gets warm when you bring the engine up to about 2500 rpm or more. My question is about the auxillary water pump. When should this have power to it? I can get to the wires at the radiator fan control module. There is a red...
1994 Buick Skylark Custom 3.1L Poor Idle Quality VIN: 1G4NV55M4R
the first time the vehicle was brought to the shop the engine was idling high. cleaned throttle body and replaced and adjusted idle control valve. the engine runs good for several days and then will not idle at all no matter the engine temperature and there is...
2000 Chevrolet S10 4.3L Red Brake Light VIN: 1GCCT19W9Y
This truck came in for red brake light comes on dash while turning on corners; even the red brake light comes on while idling by just turning the steering either direction. But when you turn the steering back to center, the light turns off. I check for fluid l...
2003 Chevrolet Malibu LS 3.1L heater core VIN: 1G1NE52J53
have this malibu in for coolant leak.found heater core leaking.was hoping this was similar to earlier smaller gms, and core could be changed without dash removal.service info says dash comes out.however, one person on the internet (lol) says it can be done wit...
2005 Chrysler Pacifica Touring 3.5L Instrument Cluster VIN: 2C4GF68455
The customerís initial complaint was an intermittent no start, but after wading through multiple conflicting statements and difficult to understand ramblings, I was able to decipher that the car would intermittently not crank due to a dead battery. The car sat...
2001 Dodge Grand Caravan Sport 3.3L engine VIN: 2B4GP44R21
Shortly after tuneup was done, about two weeks, it developed a low speed stumble, like when edging ahead at a stop sign, just as you give it a little gas to move up in line, it will stumble and then be ok, but occasionally will falter and die out. Can be very ...
2002 Dodge Ram 1500 ST 4.7L No Start
Truck came in as no start. Found pcm had died,ordered rebuilt one and ck'd all sensors before plugging it in. Found 4.8 volts on sensor ground. Black light blue wire, traced to tcm terminal 51 pulled plug on tcm voltage gone, thinking tcm had failed and took o...
2007 Dodge Ram 2500 TRX4 5.9L PRND lights VIN: 3D7KS28C57
Vehicle has no PRND lights and will not crank over. C1, B block with small grey plug. Yellow with green stripe wire has no power. Fuse 42 has power on both sides. New TIPM (fuse block) has been installed. Replaced neutral safety also. Any wire test that can le...
2010 Dodge Ram 1500 TRX 5.7L Battery VIN: 1D7RB1CTXA
This Ram came in last week with a dead battery--it had previously been dead overnight 3-4 times and the customer kept jumping it. I hooked my amp clamp on to to positive terminal and it had over a 2 amp draw an hour after shutting the car down. I used my amp h...
1986 Ford F-250 XL 7.5L Alternator VIN: 1FTHF26L7G
Hello all, I am trying to convert a high amperage 1996 motorcraft alternator to a 1986. Both F-250's with 7.5L's. I am getting confused with both Alldata and Mitchell's wiring diagrams. What is supposed to connect to the smaller one wire plug in on the 1996 a...
1993 Ford F-350 XLT 7.3L shifting
first we had a flashing overdrive light. replaced and adjusted fipl no more light flashing. trans still shifts harsh and late, no change. had a code for the mlps also, we replaced it with no change in shifting but no more codes. were at the point where theres ...
2001 Ford E-250 Econoline 5.4L 2-3 Shift VIN: 1FTNE24L91
What's Shaking Guys!? Dealing with a transmission issue here for a very good customer. Transmission issues arent something we really get into here but id like to help my customer out so im calling upon you gentlemen for some assistance. The customer reports &...
2002 Ford Explorer XLT 4.6L Noise, o2 sensor code VIN: 1FMZU73W42
I hope this is ok here (full disclosure), this is my own vehicle. I couldn't pass it up. 2002 4.6 4x4 Explorer with leather and third row seat with only 114,000 miles and sharp looking. Have very little experience with Ford cars and trucks. Check engine light ...
2005 Ford Taurus SEL 3.0L No Start VIN: 1FAFP56235
Car was towed to me as a crank with a no start. Customer states it had misfire/ignition coil codes and was running poorly. He replaced some coils, messed with the engine harness near the PCM and it quit running. During this time he replaced the fuel pump and f...
2009 Ford Flex SE 3.5L Misfire or Transmission Shutter VIN: 2FMDK53C69
This Flex has a problem that we can duplicate but we are unable to determine which system is affected. While under moderate acceleration the vehicle shakes like you are driving over rumble strips. It is very obvious when it happens. It occurs right after the s...
1995 GMC C1500 Sierra SL 5.0L hazards VIN: 1GTEC14H7S
hi guys,i have this95 c1500 headach.the hazards will not flash when the brake pedal is applied.i installed a new gm combo switch,brake light sw,hazared sw.also replaced all the bulbs,checked all sockets,connectors.this does not have any trailer wiring.i have t...
1997 GMC K1500 Suburban 6.5L No Start, MIL Lamp on VIN: 1GKGK16F6V
This customer has had this problem for a while, where after a 10 minute hot soak, the engine will not start until you let it sit for 2 hours. If you try to start it immediately after shutting it off, it will start just fine. I haven't diagnosed very many of t... Trouble codes: P0236 (Boost sensor 1 out of range), P0278 (Cylinder 6 balance fault), P0719 (TCC/brake switch B circuit signal low/short)
1999 Honda Civic EX 1.6L idles fast on warm u VIN: 2HGEJ8548X
when starting this car in the morning it goes to a normal fast idle. you can drive it until engine is completely warmed up and it will not return from fast idle unless you turn the engine off and then restart it. then idle is normal for the rest of the days dr...
2006 Honda Ridgeline RTL 3.5L vsa lighton VIN: 2HJYK16536
this Honda ridgeline has vsa warning light on.scaned for codes it has abs codes 25 and73.the only test I can find say to replace yaw sensor with known good one after checking power to sensor.if code resets replace module .ifdoes not reset it needs yaw sensor ....
2007 Honda Civic EX 1.8L Battery VIN: 1HGFA16867
Customer said battery was dead, so they replaced battery. They said every 1-2 weeks, after sitting overnight, battery would be low, starter would crank slowly, then just click multiple times. They have had to jump start it, then it may be ok for a few days, th...
2007 Isuzu NPR-HD 5.2L Cylinder Liner VIN: JALC4B1607
I have this 800-GOT-JUNK truck that has turned to junk. It arrived with low compression #4 cyl. After removing cyl head it appears the rings and/or ring lands have broken, severely gouging the cylinder wall. Also, #1 cyl has what looks like the same thing just...
2008 Jeep Wrangler Unlimited Rubicon 3.8L No Start VIN: 1J4GA69138
Hey people, I was hoping for a quick response from the Jeep guys here. I have the above mentioned wrangler/rubicon. We sold it as a used car (Nissan dealer). It has a very intermittent no start condition. I only observed it once. The vehicle has one of those ...
2010 Mercedes-Benz C300 4Matic Luxury 3.0L Airbag Light VIN: WDDGF8BB0A
Car was wrecked. Don't know how long air bag issue has been there. Has code A207 that won't clear. Can anyone tell us what this code means and if it will need to go to dealer for repair. We have Maxisys and ScientechII scan tools that will communicate with it.
2002 Mercury Grand Marquis GS 4.6L Traction Control VIN: 2MEFM74WX2
Had both ABS and red brake warning light on at first. Replaced abs unit with a use one (have had good luck with the last 5 of these). Got communication back but traction control engages at about 10 miles an hour and both brake warning light and ABS light comes...
1999 Saab 9-5 SE 3.0L Flashers VIN: YS3EF48Z8X
First of all thank you everybody in advance for any input/tips. Ok about 4 months ago I replaced the digital display unit a used one; because you couldn't read nothing, so after it was installed. the display says "service theft alarm" and nothing else happen i...
2002 Saab 9-5 Linear 2.3L noise VIN: YS3EB59E22
Hi group,trying to figure this engine noise it seems to be on top when your listening on top and on the bottom when on bottom but it is from the area of the first cylinder, first journal, the customer complaint is engine tapping, and smoke on start up,no misfi...
2010 Volkswagen Tiguan Comfortline 2.0L No Start
hi all & thanks for taking time to read this car towed in from another shop .i was told car broke down & had bad battery,was changed & broke down again this time rib belt torn apart.other workshop changed rib belt & timing belt & no start problem occured. car ... Trouble codes: P1603 (Internal control module failed self test)
2008 Volvo C70 T5 2.5L Drivetrain VIN: YV1MC67228
This vehicle pulsates violently especially when accelerating and most noticeable around 40 mph. The car has sat in a garage for awhile unused, tires balanced and are okay.

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2004 Acura MDX Touring 3.5L shift solenoid C VIN: 2HNYD18854
There is a solenoid at the very top of the transmission, underneath the solenoid are three "feed tubes" that must be swapped over to the re-manufactured transmission. We missed it and it caused a lot of headache and wasted time. I'm glad we did not just pull t...
2005 BMW 645Ci 4.4L idrive, convertable top, VIN: WBAEK73415
Well guys, the car is not fixed yet, but it has ome down to replacing the complete vehicle wire harness. Some dealer tech has cut and spliced the k-bus lines, the signal is corrupt. I am waiting on a harnss and will post when the vehicle is fixed.
1994 Chevrolet Camaro Z28 5.7L No Start VIN: 2G1FP22P9R
Thanks for all the input, not sure why this veh wouldnt start when cranking with key, checked voltages and grounds at ign and pcm and staying at 11v cranking, but wouldnt pulse injector, would crank everytime with remote start, cust opted to install remote sta...
2004 Chevrolet Trailblazer LS 4.2L Timing Chain VIN: 1GNDT13S34
everything came out fine with lining up the dark links to the marks on sprockets, vehicle is now running smooth and has passed the emissions test. the misfire on cylinder 6, as well as the misfire on cyl 1 that showed up while driving, were caused by faulty c...
2007 Chevrolet Cobalt SS 2.0L Clutch VIN: 1G1AP18P97
I was waiting for the customer to drive for a week or so before closing. He reports all is well. We were suspicious of elbow where master cylinder hose connects and a steel line goes to slave cylinder, allowing air into system. Upon examination,found corrosion...
2005 Chrysler Pacifica Touring 3.5L Surge, MIL Lamp on VIN: 2C4GM68445
Thanks for all the replies. I was thinking about changing rear O2 sensor because it was the least expensive. If that didn't do it I was going to check timing marks. If that showed ok I would have changed cat. Customer declined any further work,deciding to sell... Trouble codes: P0132, P0032, P0403, P0172.
1999 Dodge Ram 1500 ST 5.2L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on VIN: 3B7HC16Y0X
Customer opted to let the truck sit for a while. Waiting to get a ecm. If he brings back I will post the fix. Thanks for the information. Trouble codes: P0132.
2003 Dodge Ram 3500 Van 5.2L Cuts out VIN: 2D7KB31Y23
thanks, all, for all the suggestions. The customer came and picked it up without a fix. He isnt willing to put much money in to the van. All my tests led to the injectors. Thanks again for the help.
2007 Dodge Sprinter 2500 3.0L No Start, MIL Lamp on VIN: WD0PE84547
I am sorry for the delay . I have been waiting for customer. I got much useful info. Remember customer was only trying to solve a hard start condition. after accessing a different scanner I was able to watch fuel pressure It would begin at about 20 bar and ver... Trouble codes: 2355 (egr control air mass to large), 2951 (egr cooler implausible value), 3130 (temp sensors moniter deviation to high), 2511 (egr conroll position errow), 2953 (intake port swirl actuator open /sensor value to low), 2136 (cylinder 4 glow plug open).
2002 Ford F-350 Super Duty XL 7.3L Surge VIN: 1FDWF37F42
I got it and just like most said it is a transmission issue,would never believe that a power supply issue to the transmission module would cause such poor power.I had no power on the red/yellow wire to module now I have to find out why but I am on the right tr...
1997 Honda Prelude 2.2L MIL Lamp on VIN: JHMBB6240V
first of all i want thank all of you guiding me to solve this issue; brent from ohio gave me clue so i soaked the injectors overnight and next day i saw that STFT dropped to under 20% and O2 sensor gave a reading of 1.25 V at idle so i told the customer that i... Trouble codes: P0171.
2004 Honda Civic DX 1.7L No Start VIN: 2HGES16384
well guys i wanted to thank all of you for you help, it turned out to be the ECT, on first try i could not get serial communication and was worried about cylinder wash out.I did not want to try on communication again because when i did have my scan tool hooked... Trouble codes: P0300.
2006 Land Rover Range Rover Sport Supercharged 4.2L Security VIN: SALSH23496
Thank for IATN members support i will notify the customer and go from there. Thanks again
1999 Mazda Miata 10th Anniversary 1.8L Poor Idle Quality, Stall, MIL Lamp on VIN: JM1NB3539X
I would like to thank everyone for the help on this one there was so little info on it you all helped us out a lot with some ways test without throwing parts at it. We tolled the customer we think it is the PCM that is bad and he said get one and try it and we... Trouble codes: P1504.
1996 Mercedes-Benz C220 2.2L Engine VIN: WDBHA22E1T
Thanks to all that replied. I have not been able to fix this vehicle yet, waiting for a slow day to get it back in the shop. Several suggestions said it was a lost cause as the wiring harness goes bad and they are difficult to obtain and very expensive even i...
1998 Nissan Altima GLE 2.4L Intake Gasket VIN: 1N4DL01D7W
Thanks to all that replied. I feel sorry for the guys that said they do a lot of these. I did take one suggestion of watching You Tube videos and that was enough for me to get the missing bolts in plus tighten a couple others that were loose. After we finishe...
2004 Nissan Murano SL 3.5L Raido,AC Control,Speedo VIN: JN8AZ08W64
Thank You to all who replied . Customer declined any further Diagnostic time. If I see the car again I will update further. My gut thinks the AC control head, would have loved to go deeper but not into working for free.
2004 Pontiac GTO 5.7L Cuts out, Misfire, Reduced power VIN: 6G2VX12G94
Here is what I found...I checked all modules that I couldn't communicate with and found no problems,I figured maybe one of those modules was shoving garbage down the UART lines but that wasn't the case. I checked all the UART lines from ADL connector to all no...
2005 Saab 9-3 Aero 2.0L Ctrl Module VIN: YS3FH79Y65
Thanks to all...not sure which module was causing the statement but I suspect it was the ICM that had lost it's memory of the different options on the vehicle. I plodded through adding module after module and once I got through the ones the CIM,ICM,MIU that's...
2002 Suzuki XL-7 2.7L Abs VIN: JS3TX92V22
I looked at power and grounds at the module and they were fine. Also used the scanner on graph mode to look carefully at each wheel speed sensor output...again all OK. Brake switch was doing it's job..tires all the same size and condition. I recommended a n...
1999 Toyota 4Runner SR5 3.4L Hesitation VIN: JT3HN86R2X
Sorry it took so long to close this, we have been running very busy. The recommendation to clean the MAF did the trick. After the cleaning it ran smooth thru the hole range of RPM. Thanks gear heads. Trouble codes: P0171 (Lean code).
2002 Toyota Camry SE 2.4L Poor Idle Quality, Hesitation, MIL Lamp on VIN: JTDBE32K12
Thanks to everyone who replied. The fix turned out to be the injectors, which many of you suggested. They all flowed well, but they did not atomize the fuel nearly as well as the new ones. Thanks again. Trouble codes: P0171 (Bank 1 lean).
2002 Volkswagen Cabrio GL 2.0L Vehicle Connection VIN: 3VWD221V02
This reply is in regard to the 12v problem on between pin 4 and 7. I found the info ward had posted while I was awaiting replies which thanks to all that replied. When I place a 1k resistor on the circuit it pulled the voltage down to under 3v which tells me m...
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