02-11-2017, 08:20 AM
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#1
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Registered User
Join Date: May 2014
Location: S.California
Posts: 2,029
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No start:
The short answer is to ask here for a competent ,honest Indie in your area.
The diagnosis list is long and complex to act on. But let's try one simple thing- when the engine cranks, does the tachometer needle move slightly?
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02-23-2017, 11:42 AM
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#2
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Registered User
Join Date: Feb 2017
Location: Virginia
Posts: 22
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Quote:
Originally Posted by Gelbster
No start:
The short answer is to ask here for a competent ,honest Indie in your area.
The diagnosis list is long and complex to act on. But let's try one simple thing- when the engine cranks, does the tachometer needle move slightly?
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No it doesnt move at all
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02-23-2017, 01:31 PM
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#3
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Registered User
Join Date: May 2014
Location: S.California
Posts: 2,029
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Quote:
Originally Posted by Sweezy804
No it doesnt move at all
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That indicates the CPS is defective.
Last edited by Gelbster; 03-08-2017 at 11:50 AM.
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03-06-2017, 05:34 AM
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#4
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Registered User
Join Date: Aug 2015
Location: Callahan, FL
Posts: 462
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Quote:
Originally Posted by Gelbster
That indicates the CPS is defective.
Here is the definitive test from JFP:
"Remove the CPS sensor connector, connect your multimeter to pin #1 and pin#2, at 68F it should read 0.8-1.0K ohms; then connect the multimeter to pin #1 and pin #3 and it should read infinite ohms; if it does not read correctly in either range, can the sensor and replace it."
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What does "at 68F" mean? Are you referring to temperature? I am standing by for ridicule, but I am also suffering from starting issues. Unfortunately I posted the CPS failure post before I saw this one.
__________________
99 Boxster base
1966 912 3 gauge
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03-06-2017, 06:04 AM
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#5
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I am my own mechanic....
Join Date: Feb 2013
Location: Salt Lake City, UT
Posts: 3,432
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Quote:
Originally Posted by flouese
What does "at 68F" mean? Are you referring to temperature? I am standing by for ridicule, but I am also suffering from starting issues. Unfortunately I posted the CPS failure post before I saw this one.
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Start a new thread. Glad to help. Back to basics. Does the tach move when you crank?
Check fuel rail pressure next.
__________________
'04 Boxster S 50 Jahre 550 Spyder Anniversary Special Edition, 851 of 1953, 6-sp, IMS/RMS, GT Metallic silver, cocoa brown leather SOLD to member Broken Linkage.
'08 VW Touareg T-3 wife's car
'13 F150 Super Crew long bed 4x4 w/ Ego Boost
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03-06-2017, 06:45 AM
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#6
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Registered User
Join Date: Aug 2015
Location: Callahan, FL
Posts: 462
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Quote:
Originally Posted by Timco
Start a new thread. Glad to help. Back to basics. Does the tach move when you crank?
Check fuel rail pressure next.
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Tach just sits there and does nothing, not even a quiver. However, the tach does the same thing when it starts.
New thread started under the heading CSP FAILURE???
__________________
99 Boxster base
1966 912 3 gauge
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03-06-2017, 01:26 PM
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#7
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Registered User
Join Date: Feb 2017
Location: Virginia
Posts: 22
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Quote:
Originally Posted by Timco
Start a new thread. Glad to help. Back to basics. Does the tach move when you crank?
Check fuel rail pressure next.
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Thanks for everyones help and im sorry for being rude if i was , but idk what im doing and im just gonna have to spend $1000+ to get it fixed
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03-05-2017, 02:19 PM
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#8
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Registered User
Join Date: May 2016
Location: Northville, MI
Posts: 249
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Quote:
Originally Posted by Sweezy804
I replaced it , it did nothing so your wrong.
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What ohms did the sensor read when you did the test before replacing it? Is the new one reading different or could it be a faulty one out of the box?
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03-06-2017, 05:50 AM
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#9
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Registered User
Join Date: May 2016
Location: Northville, MI
Posts: 249
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Quote:
Originally Posted by bwdz
What ohms did the sensor read when you did the test before replacing it? Is the new one reading different or could it be a faulty one out of the box?
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I asked but still don't see the answer, what did you get for ohm values when you tested it? Replacing a part with a new part is usually a way to eliminate something but it can also get you into a whole world of problems when you assume the new part functions as it should without testing it because you will chase other problems when the real problem can still be that part.
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03-06-2017, 01:23 PM
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#10
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Registered User
Join Date: Feb 2017
Location: Virginia
Posts: 22
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Quote:
Originally Posted by bwdz
I asked but still don't see the answer, what did you get for ohm values when you tested it? Replacing a part with a new part is usually a way to eliminate something but it can also get you into a whole world of problems when you assume the new part functions as it should without testing it because you will chase other problems when the real problem can still be that part.
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Hey i didnt test it i just figured if i change the cps it would do the trick
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03-06-2017, 01:24 PM
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#11
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Registered User
Join Date: Feb 2017
Location: Virginia
Posts: 22
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Quote:
Originally Posted by Sweezy804
Hey i didnt test it i just figured if i change the cps it would do the trick
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Im screwed
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